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21/Apr/2025

Slightly after you have been breathing normally, do you feel like you’re going to drown? Even if you’re on dry land. The pulmonary embolism makes its mostly unwelcome announcement with this terrifying sensation. A pulmonary embolism occurs when a blood clot travels through the veins and blocks one of the arteries in the lungs that carry blood back to the heart. Each year, this dangerous condition affects thousands of Americans and can be fatal if not treated promptly. Allow us to explore this serious medical condition by answering some of the key questions about its causes and risk factors.

Why did Blood Clots travel to the Pulmonary Arteries?

Pulmonary embolism is most frequently caused by blood clots (which are simply clots of blood), formed in the deep veins of the legs (a condition called deep vein thrombosis, or DVT). Physical traits, such as these clots breaking free and travelling the bloodstream to the lungs, which they are prone to, are physical traits.

  • A blood clot’s journey takes place on a specific path.
  • Forms in a deep vein (usually in the legs)
  • Travelling through larger veins, it breaks loose.
  • Passes through the right side of the heart

It enters the pulmonary trunk (the main artery of the blood that passes through the heart to the lungs).

Small pulmonary arteries cannot accommodate their size and get stuck in them.

Since all blood passes through the lungs to pick up oxygen, all blood-borne clots will eventually end up in the pulmonary vessels unless they dissolve along the way. The pulmonary arteries branch so closely, creating trap points that clots can get wedged on the narrowing sections and stop blood flow to the tissue of some of this lung.

What Factors make a Patient at greater risk of having a Pulmonary Embolism?

Other things that can raise your risk of having blood clots that could develop into pulmonary embolism include:

Risk Category Specific Risk Factors
Medical Conditions • Cancer, Heart disease, COVID-19 infection and  Inflammatory bowel disease
Situational • Recent surgery or trauma, Extended bed rest, Long-distance travel 
Medications • Hormone replacement therapy and Birth control pills containing estrogen
Personal Factors • Pregnancy and postpartum period, Advanced age, Obesity and Smoking

 

A landmark study in the New England Journal of Medicine showed that cancer patients had an increased risk of developing venous thromboembolism (Venous thromboembolism includes pulmonary embolism) (Khorana et al., 2007).  

How does a Blood clot impact the Pulmonary Trunk and lung function?

When a blood clot lodges in the pulmonary trunk or any of the pulmonary arteries, it begins a chain reaction of events.

  • Blocks blood flow to portions of the lungs
  • Prevents proper oxygen exchange
  • Increases pressure in pulmonary vessels
  • Works harder than normal, causing the right side of the heart to work harder.
  • In severe cases, it can lead to right heart failure.

However, the symptoms depend on the size and location of the clot. Small clots in peripheral pulmonary arteries may cause little, if any, symptoms, and large clots that block the pulmonary trunk would be immediately life-threatening.

Can a Pulmonary Embolism present before there are Symptoms?

Weirdly, many sufferers of pulmonary artery blockages often present with little or subtle symptoms, which are more likely to be confused with other things. Common symptoms include:

  • Sudden shortness of breath
  • Pain that intensifies with forceful exhaling
  • Rapid heart rate
  • Cough (sometimes with bloody sputum)
  • Feeling lightheaded or dizzy

Nevertheless, it is estimated that up to 30–50% of pulmonary embolism cases are asymptomatic. Its silent nature makes it particularly dangerous because treatment delays compound mortality risk.

Why Early Screening for Pulmonary Embolism Can Be Life-Saving

Preventing the formation of blood clots is the best way to avoid pulmonary embolism. If you have risk factors, consider these preventive measures.

  • Do Not Sit Still – don’t sit for excessive periods
  • Stay hydrated, especially when travelling
  • Choose compression stockings for long flights

If prescribed, follow what your doctor recommends regarding blood thinners

Early detection is key to identifying concerning risk factors or symptoms. Viascan provides advanced imaging services that can help identify pulmonary embolism before it becomes life-threatening. Their latest CT pulmonary angiography can also detect even small clots in the pulmonary arteries, which can be addressed quickly and as soon as possible.

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Conclusion

Preventive screening is also offered via the Preventive Screen, which will help identify factors that are at risk of blood clots and cardiovascular disease so that you can take action to protect your health. All via the expertise of expert radiologists with convenient locations, this is how you know exactly where you stand when it comes to your pulmonary health status.

When it comes to pulmonary embolism, don’t wait until the symptoms are severe; understand your risk factors and seek appropriate screening early to save your life.


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14/Apr/2025

Have you ever felt breathless at the very last stair while going up? Does breathing become a task for you? When breathing feels more like a task, your lung capacity and lung health might be in question. Whether you are interested in improving your climbing capability or just looking to improve your all-around wellness. Understanding how to increase lung capacity can change your picture for the greater part of your life.

In this article, we will discuss how you can increase your lung health. 

What Exactly Do We Mean by Lung Capacity?

In other words, lung capacity is the total amount of air you can breathe into your lungs. The average adult’s lungs can hold roughly 6L of air. However, with normal breathing, only a small percentage is used. Developing your respiratory system will allow you to use your natural capacity more, and depending on how much you appropriate, you could, over time, develop a greater capacity.

Is Regular Exercise Actually Able to Create Better Lungs?

Yes, regular cardiovascular exercise is one of the most effective ways to develop better lungs. Participating in physical activity that quickens your heartbeat. It deepens your breathing, strengthens your respiratory muscles, and makes them more effective at exchanging oxygen (Enright et al., 2006). The researchers found that the stronger the respiratory muscles are, the less energy it takes for them to function. Even when the muscles are resting, breathing more efficiently. 

Your weekly schedule should include these Physical activities:

Exercise through swimming delivers maximum advantages because it enables fitness training along with proper breath management.

  • Running or jogging
  • Cycling
  • High-intensity interval training
  • Rowing

Your respiratory function will improve significantly when you perform moderate exercise for just thirty minutes daily at least five times each week.

Do Breathing Techniques Provide Tips for Healthy Lungs Beyond Exercise?

Exercise establishes basic lung potential, but applying suitable breathing techniques will boost better lung capacity to higher levels.

  • When you use diaphragmatic breathing, you activate your diaphragm instead of shallow upper chest breathing.
  • Position your body on the floor while placing your hand on your chest, followed by resting the hand on your stomach.
  • Take deep breathing through your nose as your stomach expands without noticeable movement in your chest.
  • A slow exhalation through pursed lips helps your stomach to drop down.

What Environmental Factors Should I Control for Better Lung Health?

Your physical setting influences your breathing health to a significant degree.

  • A combination of proper air filtration units and sufficient indoor ventilation will help achieve clean breathing environments.
  • All types of smoke exposure must be completely avoided, as well as the inhalation of secondhand smoke.
  • Understanding which hazards exist from working with dust-related substances, chemicals, and other respiratory contaminants can help you better protect your lungs.
  • Check air quality reports in your locality while taking outdoor exercise during periods of poor air quality.
  • Keeping yourself hydrated enables your lung mucosa to function optimally.

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Preventive Screening helps Patients reach Superior Lung Health Levels

The basis of maintaining lung health consists of breathing exercises and physical activity. Together with preventive screening, it delivers extra reassurance to people. Especially to people who have risk factors for respiratory conditions. The advanced imaging technologies used by ViaScan during lung screening detect problems at early stages when no symptoms exist.

The low-dose CT technology at ViaScan performs quick, noninvasive lung assessments that give patients peace of mind. This provider’s prevention services provide customized risk assessments for smokers or those who used to smoke, people at occupational risk, and those with lung disease. Family members should use preventive screening from ViaScan to support their active respiratory wellness efforts.

Lung health benefits from your proactive lifestyle decisions combined with appropriate preventive screenings, which provide a complete form of lung care that helps you breathe better physically and emotionally for an extended period.


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07/Apr/2025

Can you visualize trying to breathe through a wet sponge? Each breath becomes a fight, air wadding slowly through water log passages. Patients who suffer from pulmonary edema feel this vivid sensation every day, which is a potentially fatal situation when fluid seeps into the sanctuary of your lungs. Pulmonary edema is a complex condition associated with heart failure that can also be caused by many other things but is so dangerous that it should be treated as soon as possible and correctly diagnosed, including with an advanced imaging test like a lung scan to determine if it is something other than lung cancer or pneumonia.

The Mystery of Fluid Where It Shouldn’t Be

Have you ever wondered how, in our lungs, the blood vessels do not make the organs wet with blood? Pulmonary edema is a fascinating balance between physics and biology when disrupted.

What exactly goes wrong when it all goes wrong?

Inside your lungs, there are millions of tiny air sacs (alveoli) where gas exchange miracle takes place. Those are the small air sacs where oxygen enters the blood and carbon dioxide leaves. Normally, these spaces stay dry and efficient in balance with forces that are very precisely right.

When pulmonary edema develops, the balance is shattered. 

  • First, it is for liquids to leak from pulmonary capillaries into surrounding tissues.
  • It then shoves off into the interstitial spaces between various structures.
  • It finally floods into the walls of the alveoli themselves.

That makes each breath a diminishing return, struggling to oxygenate as it becomes an increasingly impenetrable barrier to the gas. This can rapidly become life-threatening as if trying to extract oxygen from water rather than air. Pulmonary edema can evolve progressively over weeks to weeks or can develop quickly, in seconds, in hours. 

How Modern Imaging Uncovers the Truth?

How do doctors breach the enigma within your wrap of chest cavity? The story starts here. The humble chest X-ray remains the frontline detective but now has joined the investigation: A chest X-ray will reveal characteristic ‘butterfly pattern’ of fluid distribution; more sophisticated tools now come to the aid.

Studies in the European  Respiratory Journal (2018) by Assaad and colleagues suggest that the use of ultrasound can detect edema beforehand when it becomes symptomatic and can improve diagnostic accuracy by an impressive 17% in combination with clinical exam. Advanced images: CT scans help exclude pulmonary edema from mimics of the lung, such as lung cancer, pneumonia, or pulmonary fibrosis

How can you catch Edema Before a Crisis?

If you could only know that during times of crisis, your body speaks to you first, so to speak before the events actually come crashing down. It is the subtle signals that pulmonary edema sends, sometimes misread, sometimes dismissed, until the dramatic symptoms are present, that is the most fascinating aspect of pulmonary edema.

Consider these curious warning signs:

This includes unexplained weight gain due to secreted fluid retention.

  • Coughing occurs at night and almost completely disappears when you sit upright during nighttime.
  • Suddenly, you woke with the odd sensation that you were drowning
  • Sleeping with increasingly more elevated head positions

What is most interesting, however, is that many of these symptoms happen in patterns that can be recognized early on, sometimes before it becomes too late to prevent an emergency from occurring. Despite that, many people don’t trace those dots until that moment when someone is rushing to the emergency room.

What can be medical emergencies at high Altitudes?

In the nick of time, here’s a fascinating twist: perfectly healthy people can develop pulmonary edema just from getting too high too fast. It is different from other forms that plague people with medical conditions; it only strikes mountaineers and travelers who are at fault altitudes above 8,000 feet.

What makes this form unique? 

The condition triggers because of the very air, or, rather, the lack of it, around you.

  • The thin mountain air causes hypoxia (low oxygen).
  • It will spark a change in a blood vessel.
  • Pressure increases in the pulmonary circulation.
  • Where it shouldn’t, it starts to leak fluid.

Oddly, the progression begins with an out-of-the-ordinary breathlessness during activity, followed by never-ending coughing, gradual reduction of exercise capacity, and ultimately not being able to breathe even while you are standing still.

What can be the solution?

 The best medical intervention, even elegantly simple, sometimes happens: descent to lower elevation and supplemental oxygen.

Pulmonary edema is a fascinating meeting of cardiology, pulmonology, environmental and emergency care. Whatever the reason, the common theme is fluid accumulation, where there should only be air.

When outcomes depend on early detection through advanced imaging, the whole situation is transformed. Visualizing the exact pattern and distribution of fluids can tell doctors the difference between causes of the same symptoms that could require completely different treatments.

Controlling your respiratory health.

Are you having breathing difficulties that cannot be explained? Have you been visibly breathing any of the warning signs we have mentioned? Consider these steps:

  • Watch out for patterns of your breathing problems.
  • Look for anything to do with activity, time of day, or position.
  • Talk to your healthcare provider regarding even otherwise minor symptoms.
  • If these concerns continue to persist, don’t hesitate to ask a responsible provider about appropriate imaging.

As always, remember, knowledge about pulmonary edema is not only medical knowledge but potentially life-saving knowledge for bridging the perceptible gap between confusing symptoms and efficacious treatment.

Whatever the case may be, whether acute, like pulmonary edema, or chronic, comprehensive lung imaging can be useful to those who are worried about respiratory health. Modern non-invasive imaging technology provides the ability to see the details of the behavior of the lung tissue and helps in better diagnosis and better-targeted treatment.

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    • Quick Result
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Conclusion

To understand pulmonary edema, one must understand the numerous causes and present various diagnostic approaches. ViaScan also provides lung scan services for those concerned with respiratory health. Their non-invasive imaging technology allows clinicians to visualize details of how lung tissue is behaving, so patients can be easily diagnosed based on the cause of their respiratory symptoms and their treatment plan clearly created. As both acute conditions like pulmonary edema and chronic diseases like lung cancer require early detection for the optimum outcome, ViaScan’s comprehensive screening services serve as an important facility in preserving respiratory health and recognizing and treating problems when they are not yet critical.


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27/Mar/2025

In the complexity surrounding medical diagnostics, knowing the money constraints associated with advanced imaging techniques is essential to patients making certain medical decisions. CT coronary angiogram is a leading diagnostic modality that provides insight into heart health imiquimod five creams. It is a noninvasive means of assessing coronary arteries and detecting healthy cardiovascular problems. Nevertheless, the intricacy of this medical procedure can be a daunting obstacle for many people who want to know their heart health as they judge the expense.

What Factors Influence the Cost of a CT Angiogram?

The pricing of a CT angiogram is a multi-variable equation consisting of many factors. First, geographic location is seen as the primary determinant, with metropolitan healthcare areas charging much more than rural healthcare facilities. And like anything in the private market, there are urban medical centers in states such as California and New York that will charge premium prices. At the same time, some are only less costly in the Midwest and southern regions. The final price tag is dependent on hospital infrastructure, technological capabilities, and institutional overhead costs.

Usually the CT scan may cost from $300 to $1000 but cost variation is subject to a large degree of technical complexity. However, to perform a comprehensive CT angiogram, advanced imaging equipment and a high level of radiological expertise coupled with sophisticated diagnostic protocols are required. Because high-end CT scanners can deliver detailed, multiple-slice images, such scanners are expensive investments for medical facilities that also, in the end, pass the cost on to patients. Furthermore, the interpreting radiologist and the interpreting cardiologist play a part in the overall dollar amount, as more renowned specialists generally charge higher professional fees.

How Do Insurance Coverage and Out-of-Pocket Expenses Interact?

As a result, a financial landscape of CT coronary angiograms is formed due to Insurance dynamics. Private insurance plans vary greatly in their coverage approach: some offer extremely extensive imaging benefits while others restrict them significantly. Medicare and Medicaid reimbursement structures are their peculiar mix of nuanced upside-down reimbursement structures that cover a percentage of the procedure according to medical necessity and specific diagnostic indications.

Copayments can be minimal or several thousand dollars out of pocket. For patients on high-deductible health plans, the entire procedure cost may come out of their pockets until they reach their annual deductible. Network participation, pre-authorization requirements, and specific diagnostic codes are all factors that impact the final patient expenses. Some healthcare providers provide financial counseling or a payment plan to cover the financial cost of advanced diagnostic imaging.

How much will a CT Coronary Angiogram Cost on Average?

CT coronary angiograms can have a wide range of potential costs on a national scale. According to comprehensive market research, patients may face paying $300 to $1000 of dollars in fees or even less, depending on several variables. The cost of the study in urban medical centers and cardiologic imaging facilities is generally higher because of their specialization. On the other hand, outpatient imaging centers and hospital-related clinics may provide more competitive price structures.

Dedic et al. (2016) studied the cost-effectiveness of CT coronary angiography, a new treatment for saving lives. The research was published in the European Heart Journal: It showed that early, correct cardiovascular disease may lead to long-term savings for the medical team, involving investment now versus later for later diagnosis of heart problems.

How can Patients Reduce the Cost of a CT Angiogram?

There are strategic approaches that patients can take to minimize the CT coronary angiogram cost control. Making price comparisons across different medical facilities is the first major cost mitigation strategy. Patients can obtain specific price quotes, compare price quotes from other imaging centers, and research other imaging centers. Specifically, some facilities will provide substantial discounts for self-pay patients or can structure their payments in such a way that they can lessen their financial burdens markedly.
Healthcare transparency initiatives and online comparison tools are valuable resources for cost-conscious patients. Increasingly, many medical centers present initial price information upfront, which permits persons to determine in advance the cost of their diagnostic procedures. 

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    • Quick Result
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Conclusion 

However, CT coronary angiogram costs are very complex healthcare economic issues to understand. ViaScan stands out as a unique option for truly comprehensive cardiovascular screening for those who want top-of-the-line diagnosis using the best arterial ultrasound technology and transparent pricing.
In the end, preventative cardiac imaging is an investment in your health that can offer sufficient insights into the heart’s state to prevent more costly medical interventions later. The best way to balance out both health and financial issues is to consult health professionals and try out various diagnostic options.


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17/Mar/2025

Getting a recommendation from your doctor for requiring a chest CT scan generates both worries and uncertainty. Modern medicine uses this enhanced imaging technology to combine X-ray data measured from various directions to create detailed body section images. Your lungs, together with heart tissue and vascular structures and airways alongside chest bones, get shown in detailed 3D images through a CT scan despite basic chest X-rays providing only two-dimensional pictures. Advanced imaging systems let doctors recognize different medical issues that otherwise would stay undetectable and unclear. The reason for taking this test, as described by your doctor, will help reduce your concern and prepare you for the next steps. This piece examines the typical circumstances that trigger physicians to conduct chest CT scans in addition to explaining the scan findings and alternate imaging approaches and the essential patient requirements before the procedure.

What Medical Conditions Can a Chest CT Scan Diagnose?

The CT scan technology of the chest turns into an essential diagnostic instrument for healthcare practitioners to examine various thoracic region issues. A few millimeter lung nodules can be detected by CT scans, thereby enabling prompt diagnosis of early-stage lung cancer. Chest CT scanners prove highly effective in pneumonia diagnosis, particularly when standard X-rays produce unclear results to detect bronchiectasis, in addition to their ability to assess interstitial lung diseases leading to pulmonary fibrosis.

Coronary CT angiography is a heart scanning method used to evaluate coronary artery disease through analysis of heart blood vessels. It performs multiple diagnostics by showing vascular blockages in coronary arteries, measuring heart chamber dimensions and heart function, and checking the aorta status for aneurysms and dissections.

How Does a Chest CT Scan Compare to Other Imaging Options?

Three main factors, the suspected medical condition, the need for detail, and the degree of risk to patients from radiation exposure determine physicians’ choices for an imaging test. Laura Marie Fayad explains that there are differences in imaging tests. Understanding the distinctions between an MRI, CT scan, and X-ray will help you and your doctor decide which imaging modality is best for you. X-rays, CT scans, and MRIs are diagnostic procedures that let medical professionals view the body’s internal components. 

Standard X-rays and CT scans provide better picture quality than ordinary radiology, with separate body section images without overlapping caused by standard procedure radiology. CT imaging offers superior gate viewing capability for inspection of small to moderate body structures, especially of the mediastinum.

What Should Patients Know Before Undergoing a Chest CT Scan?

Depending on the procedure selected and whether a specific chest CT scan includes contrast agents, there are different requirements for the chest CT scan. The main preparation step for patients who wish to get non-contrast scans is to remove only metal objects within the scan area. Patients must fast for some hours before contrast-enhanced studies and testing of kidney function might be done since contrast agents leak through the kidneys during elimination.

Iodine allergy needs to be notified to all healthcare providers by all patients, and patients must disclose their use of substances used in previous image procedures, too. Before experiencing treatment, previous reaction patients may be given premedication treatment containing antihistamines with steroids to minimize their chance of reaction. This is because radiation can harm developing fetuses, and patients need to come out about their pregnancy condition.

When Might a Doctor Order Follow-Up Chest CT Scans?

Follow-up imaging is an important central tool for assessing several chest conditions through specific time-based diagnostic-related timing protocols and clinical framework protocols used by healthcare providers. Regular CT scan imaging for cancer patients measures tumor changes such as dimensions and characteristics, and therefore, CT scan imaging determines treatment outcomes.
 After treatment, the medical team uses decreasing surveillance checks over the years in case there are signs of recurrence or metastasis. CT imaging, in combination, allows a medical practitioner to see any complications of thoracic surgeries and how the thoracic cavity processes healing following any thoracic surgery. Cardiac procedures require heart scan follow-ups to check the results of procedures and to diagnose stenosis following procedures, stent restenosis, or bypass graft failure.

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Conclusion

In addition to detailed visualization of lungs, heart, and blood vessels as well as surrounding anatomical features, chest CT scans are also effective in diagnosing. The combination of innovative modern CT technology and the use of radiation reduction protocols provides the implementation of modern CT technology through ViaScan. Their cardiac calcium scoring and coronary CT angiography programs involve the heart scanning capabilities of these programs, which can provide detailed results for detecting cardiovascular diseases at the initial stages and in the stage when treatments are proving most successful, just before the symptoms become evident.


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10/Mar/2025

One of the most common imaging tests used to image lung and heart health is known as a chest X-ray. If you are having routine screening or experiencing persistent cough or chest pain, it is very important to know if the lung X-ray is normal or abnormal. A normal chest X-ray of females vs. abnormal may show subtle disease changes, such as infection, lung disease, or more serious conditions such as tumors. In this article, we will explain what to expect in normal and abnormal results of a chest x-ray, when further testing may be needed, and how to interpret a chest x-ray.

What Does a Normal Chest X-Ray Look Like?

X-rays of the normal lungs will show the lungs to be clear and well-inflated without any visible masses, fluid accumulation, or other abnormal opacities. It appears within the normal limits for heart size and shape, and the diaphragm is well-formed. The rib cage and spine bones and any that connect to them should be intact, and the bones should fit together properly. As in a normal chest X-ray female vs. abnormal, there are no apparent differences between a male and female chest X-ray. Though a normal chest X-ray female vs. normal may slightly affect the imaging contrast, radiologists need to inspect it in detail.

What Are Common Abnormal Findings in a Chest X-Ray?

Your doctor could request a chest x-ray if you have symptoms like wheezing, coughing, shortness of breath, persistent mucus production, etc. A CT scan may be ordered if the X-ray shows abnormalities or the doctor notices something in the image to help diagnose the condition. Chest scans might reveal a variety of situations, including heart failure, pneumonia, lung cancer, TB, sarcoidosis, pleural effusion, embolisms, emphysema, and lung scarring. 

Gefter, Post, and Hatabu’s study, “Commonly Missed Findings on Chest Radiographs: Causes and Consequences,” found that 30% of chests with unusual radiographic patterns needed more testing to uncover hidden lung conditions as they are misinterpreted or overlooked. During analysis of female chest X-rays, doctors commonly spot enlarged lung features combined with visual signs of abnormal shadows or diaphragm irregularities, which show potential disease markers.

How are Chest X-rays interpreted?

A normal lung X-ray, sometimes referred to as a chest radiograph, is the most common imaging test carried out in the US. The radiologist must be aware of what to look for and keep in mind the technical aspects that must be considered when examining the location of each device. A radiologist interprets the results of a chest X-ray by examining the black-and-white image and searching for anomalies in the heart, lungs, bones, and other chest structures. The radiologist then sends a report to your physician, who will talk with you about the results.

Can an Abnormal chest X-ray report or indicate lung cancer?

A chest X ray gives a detailed picture of the lungs so that doctors can detect small nodules or abnormalities suggesting cancer. LDCT is highly effective. The National Cancer Institute (2022) showed that LDCT reduced lung cancer mortality by 21% compared to chest X-rays.(Bonney & et al., 2022)  High-risk individuals have a safer and more convenient option in this noninvasive-scan which takes only a few minutes without using contrast dye. A low-dose CT scan is used to create an image of the inside of the body if lung cancer is suspected, and if the body is found to be abnormal, this requires further diagnostic tests to confirm the presence of lung cancer.

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Conclusion 

A CT scan or chest X-ray is chosen based on the symptoms and concerns the patient has. A chest scan can be recommended for patients with suspected structural heart problems or congenital heart defects or general heart screening by doctors. That can inform patients and doctors on the best way for them to diagnose if there is something wrong with the heart. ViaScan offers advanced, noninvasive heart scans to help you stay on top of your cardiac health if you are looking for reliable cardiac imaging.


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03/Mar/2025

Medical imaging helps to diagnose the conditions of the heart before those conditions become serious. The cardiac CT scan and CT angiogram are two currently used tests for evaluating the heart and blood vessels. So, how do these tests differ? Knowing their different roles can help patients decide if they should take steps to increase their heart health. Thus, this blog will break down the differences between these two procedures as to when and why each would be appropriate to use.

What Is a Cardiac CT scan?

A heart cardiogram imaging test, also known as a cardiac CT scan, is a specialized X-ray imaging test that enables detailed cross-sectional images of the heart and its surrounding structures. The procedure is noninvasive and helps doctors detect coronary artery disease, heart defects, and other abnormalities.

An X-ray beam captures multiple images of the patient lying on a table while that table moves through a CT scanner. The images are then scrambled to create an overall image of the heart. As a safer, more comfortable option for some patients, a cardiac CT scan does not require catheter insertion, as does a traditional angiogram.

What Is a Cardiac CT scan

What Is a CT Angiogram?

CT angiogram is a more detailed imaging test used to study the blood vessels, including the coronary arteries. CT scanning, in combination with a dye that’s absorbed into the bloodstream, highlights blockages or narrowing in the arteries.

It is especially useful for diagnosing conditions such as coronary artery disease, aneurysms, and blood clots. This contrast dye makes it easier for doctors to see potential problems with blood flow more clearly than is possible with a standard cardiac CT scan. CT angiograms have high accuracy in the diagnosis of arterial blockages, signifying a valuable tool for early diagnosis and treatment planning, as claimed by Smith et al. (2021).

How Do Cardiac CT scans and CT Angiograms Differ?

Both tests use CT imaging technology, but they are used for different purposes and procedures:

  • Objective: A cardiac CT scan is mainly used to evaluate the anatomy of the heart, including the heart chambers, valves, etc. A CT angiogram, on the other hand, focuses on blood flow and pollution of the arteries.
  • Contrast Dye: A cardiac CT scan will or will not use contrast dye, while a CT angiogram must use contrast dye to bring out the blood vessels.
  • Both tests are noninvasive. A CT angiogram requires intravenous contrast infusion, whereas a cardiac CT scan can be performed without dye in some cases.
  • Cardiac CT scan and CT angiogram diagnostic focus: A cardiac CT scan is used for general heart assessment, and a CT angiogram is used to detect specific arterial conditions.

Johnson & Lee (2020) also found that CT angiograms are more accurate in detecting the severity of arterial blockage, while cardiac CT scans are better for evaluating heart function and anatomy.

Which Test Is Right for You?

A cardiac CT scan or CT angiogram is chosen based on the symptoms and concerns the patient has. A cardiac CT scan can be recommended for patients with suspected structural heart problems or congenital heart defects or general heart screening by doctors. In contrast, a CT angiogram is often used in patients with chest pain, symptoms of coronary artery disease, or a high risk of heart attack.
You must consult with a healthcare professional if you are uncertain which test will be best for you. The latest technology is used to provide both “cardiac CT scans” and CT angiograms through ViaScan so that a correct diagnosis and better heart health can be provided.

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Conclusion

Cardiac CT scans and CT angiograms are very useful diagnostic tools in determining heart health. However, they are not the same thing. A cardiac CT scan is a broad view of the heart’s structure, while a CT angiogram focuses more on detecting blood vessel abnormalities. That can inform patients and doctors on the best way for them to diagnose if there is something wrong with the heart. ViaScan offers advanced, noninvasive heart scans to help you stay on top of your cardiac health if you are looking for reliable cardiac imaging.


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24/Feb/2025

Early detection of lung cancer improves survival rates greatly, and it is one mode of death from cancer in the world; some phrase it as one of the deadliest forms of cancer. So, by 2025, technological advances in screening and new guidelines will make lung cancer detection more accurate and more accessible. It is very important to orientate towards the screening of lung cancer in the initial stages, as it often happens before the symptoms appear. Learn more about the latest lung cancer screening guidelines and the best answers to questions on new eligibility criteria, ways recommended screening methods, and how research has made a difference. How do I diagnose lung cancer? Or Should I have a low-dose CT scan to get an early detection of lung cancer? This guide will explain this in detail.

Who Should Get Screened for Lung Cancer?

Not everyone should be recommended to have lung cancer screening. The newest version, which was completed in 2025, concentrates on high-risk people according to certain criteria. All health organizations recommend that individuals between ages 50 and 80 are screened annually for those of whom 1) have 20 pack years history of smoking; 2) are current smokers or gave up between 15 years and 1 year ago; 3) have other risk factors such as exposure to asbestos, family history of lung cancer, chronic respiratory diseases or other. Recent research supports these guidelines. 2023 The New England Journal of Medicine study showed that expanding screening criteria to include those with a 20-pack-year smoking history decreased (from 30 days), and they rose by 15 percent in the early lung cancer detection rate (Smith et al., 2023).

What Is the Best Method for Lung Cancer Screening?

A low-dose CT scan (LDCT) is the preferred way of screening for lung cancer. It uses very little radiation yet gives a detailed picture of the lungs so that doctors can detect small nodules or abnormalities suggesting cancer. LDCT is highly effective. The National Cancer Institute (2022) showed that LDCT reduced lung cancer mortality by 20% compared to chest X-rays. High-risk individuals have a safer and more convenient option in this noninvasive scan, which takes only a few minutes without using contrast dye.

How to Diagnose Lung Cancer After a Screening?

A low-dose CT scan is used to create an image of the inside of the body if lung cancer is suspected, and if the body is found to be abnormal, this requires further diagnostic tests to confirm the presence of lung cancer. Typically, during the diagnostic process, the nodule is followed by follow-up imaging, meaning that another LDCT scan may be taken within the next few months to check changes in the size and shape of the nodule. A positron emission tomography (PET) scan is used to see if a lung nodule is cancerous by monitoring metabolic activity. Biopsies (removal of a small tissue sample) are performed by bronchoscopy or CT-guided needle biopsy in the case of suspicious growths. Advanced genetic testing of the tumor sample allows the determination of the type and potential targeted therapies of the cancer. A 2024 study in JAMA Oncology states that molecular diagnostics in the form of lung cancer detection enable targeted therapies and outcome improvements in patients (Johnson et al., 2024).

What Are the Risks and Benefits of Lung Cancer Screening?

In a limited study of doctors who advised patients to have low-dose CT screening, all the doctors reduced the risks, but none could properly explain screening to their patients.

  • Pros
    Three out of 1,000 high-risk individuals who were examined yearly for three years and monitored for five years were spared from lung cancer death in the National Lung Screening Trial. The duration of this advantage is unknown. In addition to having greater risk factors and pack-years of smoking, those who are most likely to benefit also typically die from other reasons earlier than healthier ex-smokers.
  • Cons

    False positives. About 250 out of 1,000 high-risk individuals who are screened and do not have cancer will be informed that their low-dose CT scans reveal an anomaly that could be cancer, according to the National Lung Screening Trial.14 According to preliminary statistics from low-dose CT use in the community, the false-positive rate could be substantially greater.15. False-positive results can raise medical expenses, result in needless additional testing, and damage and worry patients. False-positive results account for 95% of aberrant low-dose CT results.

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Conclusion

The early warning signs of lung cancer, if recognized, will increase your chances of early disease diagnosis and success of treatment. However, with these symptoms, a CT scan to rule out or diagnose lung cancer in the early stages is an essential step. The advanced imaging solutions provided by ViaScan include precise CT scans that help detect lung abnormalities so the needed medical intervention can be done as early as possible. Act now to save your life by early detection.


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17/Feb/2025

Chronic Obstructive Pulmonary Disease (COPD) is a progressive lung disease occurring in millions of people globally. Persistent respiratory symptoms and airflow limitation are due to airway and alveolar abnormality. Normally, long-term exposure to harmful particles or gases is associated with COPD and usually to cigarette smoke. Medical coders, as well as healthcare providers, face the constant need to assign specific diagnostic COPD codes to maintain correct documentation and submission. This blog will give an insight into the significance of the ICD 10 coding system in identifying COPD conditions with an example of a popular ICD 10 code for COPD exacerbation.

How is COPD a Disease, and why does Accurately Diagnosing it matter?

COPD is a chronic respiratory disease characterized by two main symptoms: chronic bronchitis and emphysema. Breathing difficulties, chronic cough, and frequent respiratory infections accompany these conditions. Accurate diagnosis is very important as it helps in the appropriate treatment of COPD, which can avoid the patient’s readmission and improve their quality of life.

Lopez-Campos et al. (2016) argued that early diagnosis and intervention in COPD patients can significantly reduce mortality and healthcare costs. Thus, it is important to use the ICD-10 coding system correctly so that healthcare providers can accurately monitor or track the number of COPD patients, improve hospital patient outcomes, and facilitate insurance claims.

What is the ICD-10 code system, and how is that Applied to COPD?

The ICD-10 code used to classify and code health conditions is standardized worldwide. The ICD-10-specific codes for the stage and complications of COPD are available to help healthcare professionals be more detailed about the amount and type of the condition.

For example, the primary ICD-10 code ICD-9 for COPD without complications is J44.9, which refers to unspecified COPD. However, when patients’ symptoms worsen, or patients experience flare-ups, the code is J44.1, which stands for COPD, with acute exacerbation. The right use of the code, such as the ICD 10 code for COPD exacerbation, guarantees adequate care to patients and accurate reimbursement to healthcare facilities.

When and how is the ICD 10 Code for COPD Exacerbation used?

An exacerbation is a sudden increase in the severity of symptoms of COPD, such as increased breathlessness, excessive coughing, and wheezing that a doctor often treats. J44.1 is the appropriate ICD-10 code for COPD associated with an acute exacerbation. The absence of this code is critical, as, without it, you do not have met the criteria for routine COPD management; it also avoids hospitalization and emergency care for patients with severe respiratory distress.

Hurst et al. (2010) reported that COPD exacerbations are responsible for significant disease progression and deaths. Applying the ICD 10 code for COPD exacerbation not only indicates how severe the patient’s predicament is but also helps with making strategic treatment plans and better allocating resources in health facilities.

How Accurate ICD-10 Coding Benefits COPD?

ICD-10 coding is important and benefits patients and healthcare providers. These benefits include timely and appropriate care during exacerbations and accurate reporting of health data, which is crucial for public health research and resource planning.

Healthcare systems can track patterns in COPD exacerbations to enable better preventive strategies or fewer hospitalizations. Using the suitable ICD 10 code for COPD exacerbation guarantees healthcare experts legitimate recompense for their contributions, enabling them to succeed in attending to this.

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Conclusion

COPD is a very serious health condition that requires a correct diagnosis and proper medical coding to manage. During exacerbations, it is important that patients get the needed care, and the ICD 10 coding system helps a great deal. The research results underline the role of early intervention and adequate documentation in minimizing the complications of COPD.

ViaScan offers comprehensive diagnostic lung health screening and imaging solutions for those who need advanced diagnostic screening and services to help detect and monitor respiratory conditions such as COPD. You can trust ViaScan for accurate, professional health assessments that meet your needs.


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10/Feb/2025

Lung cancer ranks among the top cancer-causing deaths worldwide and is usually discovered only at an advanced stage. Detection at an early stage will improve survival rates, but such signs are often overlooked. Many of these symptoms should be recognized, and people should seek immediate medical evaluation, including a CT scan where possible, to make a big difference in outcomes.

Is a Persistent Cough a Painless Sign of Lung Cancer?

A persistent cough that haunts you for more than eight weeks is indeed an early indicator of lung cancer. Occasional coughing is not unusual, but a persistent cough that gets worse over time coughs up blood, or turns phlegm-colored should not be ignored. In this study by Rivera et al. (2020), one of the most common symptoms reported by lung cancer patients is persistent coughing, thought to be an external infection or allergies that last. If a cough doesn’t respond to usual treatments, it is a good idea to have a CT scan or, more specifically, a lung scan to find out what is causing it.

Why Does Shortness of Breath Occur in Lung Cancer Patients?

Dyspnea occurs when lung tumors block airways or fill fluid in the lungs. Gradually, this symptom may develop, and it may become apparent during physical activity. However, as it progresses, even basic tasks such as climbing the stairs or taking short walks can be very difficult. According to Wang et al. (2021), shortness of breath is commonly linked to reduced lung function resulting from the growth of tumors and, thus, a symptom for early detection. Seeking medical attention and having a lung scan to diagnose lung conditions can help if breathing difficulties persist.

Is Unexplained Weight Loss Related to Lung Cancer?

Unexplained weight loss is a common symptom of several cancers, including lung cancer. The spread of such cells to other parts of the body, when they create a different metabolism in the body, can cause rapid weight loss with no diet change. In addition to unintended weight loss, patients may have poor appetite or are extremely fatigued. Rivera et al. (2020) note that more than 60% of lung cancer patients at the time of diagnosis suffer considerable weight loss. A CT scan ought to be done if anyone has unexplained significant weight loss (more than 10 percent of body weight) within 6 months.

What Role Does Chest Pain Play in Lung Cancer Diagnosis?

Other alarming symptoms include chest pain. Tumor growth in lung cancer patients can cause chest pain if it presses on the chest wall, nerves, or ribs. It can be a persistent pain, or it can be intermittent and gets more painful with deep breathing, coughing, or laughing. Wang et al. (2021) suggest that chest pain stemming from the removal of lung tumors near the pleura (the membrane that surrounds the lungs) is more common. A person’s doctor can seek a CT scan to rule out any problems if they have unexplained chest discomfort, together with other symptoms such as coughing or breathlessness.

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Conclusion

The early warning signs of lung cancer (which, as you know, includes persistent cough, shortness of breath, unexplained weight loss, and chest pain), if recognized, will increase your chances of early disease diagnosis and success of treatment. However, with these symptoms, a lung scan to rule out or diagnose lung cancer in the early stages is an essential step. The advanced imaging solutions provided by ViaScan include precise CT scans that help detect lung abnormalities so the needed medical intervention can be done as early as possible. Act now to save your life by early detection.