CT Coronary Angiography : Revolutionizing Cardiovascular Imaging

CT Coronary Angiography : Revolutionizing Cardiovascular Imaging

In the realm of cardiovascular diagnostics, medical imaging plays a pivotal role in Identifying and assessing various heart conditions. One such advanced technology that has revolutionized the field is CT Coronary Angiography...

In the realm of cardiovascular diagnostics, medical imaging plays a pivotal role in Identifying and assessing various heart conditions. One such advanced technology that has revolutionized the field is CT Coronary Angiography (CTCA). This non-invasive procedure provides detailed images of the coronary arteries, aiding in the diagnosis of coronary artery disease (CAD) and other cardiac abnormalities.

In this blog, we will explore the principles, benefits, and applications of CT Coronary Angiography and its significance in modern cardiology.

CT Coronary Angiography, also known as CTCA or Cardiac CT, utilizes computed tomography (CT) scanning technology to visualize the coronary arteries, which supply blood to the heart muscle. The procedure involves the injection of a contrast dye into a patient's bloodstream, followed by the acquisition of multiple CT images of the heart at different angles. These images are then processed by sophisticated computer software to generate three-dimensional reconstructions, allowing physicians to visualize the coronary arteries and detect any potential abnormalities.

What are the Benefits and Advantages of CT Coronary Angiography?

Non-Invasive: CTCA is a non-invasive procedure, which means it doesn't require any surgical intervention or catheter insertion. It significantly reduces the risks and complications, making it a safer alternative to traditional coronary angiography.

Accuracy: CTCA provides a highly accurate image of the coronary arteries, allowing physicians to visualize any narrowing, blockages, or plaques present. It enables the detection and characterization of coronary artery disease with excellent sensitivity and specificity.

Speed and Efficiency: Compared to traditional; coronary angiography, CTCA is a relatively quick procedure, typically completed within minutes. The rapid acquisition of images ensures minimal discomfort for patients and reduces waiting times.

Comprehensive Assessment: CTCA not only assesses the presence of coronary artery disease but also provides valuable information about the severity and extent of the disease. This aids in risk stratification and helps guide appropriate treatment decisions

What are the Applications of CT Coronary Angiography?

Diagnosis of Coronary Artery Disease: CTCA is an invaluable tool for diagnosing CAD. It allows for the identification of atherosclerotic plaques, stenosis (narrowing) of the coronary arteries, and the evaluation of collateral circulation. Early detection and accurate assessment of CAD aid in implementing appropriate therapeutic strategies.

Evaluation of Stents and Bypass Grafts: After the placement of coronary stents or bypass grafts, CTCA can assess their patency, detect any complications, and determine the need for further interventions. This post-procedural evaluation is crucial in ensuring the success of the intervention and long-term patient outcomes.

Assessment of Cardiac Anomalies: CTCA can be employed to evaluate congenital or acquired cardiac anomalies, such as anomalous coronary arteries, ventricular septal defects, or aortic pathologies. The detailed imaging helps clinicians plan appropriate management strategies and determine the feasibility of surgical interventions

What are the Limitation and Consideration of CT Coronary Angiography?

While CT Coronary Angiography has numerous advantages, it is important to consider its limitations. Some factors to consider include:

Radiation Exposure: CTCA involves exposure to ionizing radiation, although advancements in technology have significantly reduced radiation doses in recent years. Nevertheless, the risk associated with radiation should be carefully weighed against the potential benefits for each patient.

Renal Function: The contrast dye used in CTCA may pose risks in patients with Renal issues.

Pregnancy: Radiation exposure can harm the unborn baby, so it is not recommended for pregnant women.

What is the Procedure for CT Coronary Angiography?

CT coronary angiography (CTCA) is a non-invasive imaging procedure used to assess the condition of the coronary arteries that supply blood to the heart. It provides detailed images of the heart and its blood vessels, helping to diagnose various cardiac conditions such as coronary artery disease and blockages.

Here is an overview of the procedure


  • Before the CTCA, you may need to avoid eating or drinking for a few hours to ensure optimal image quality.
  • You might be asked to remove any metallic objects, such as jewelry or clothing with metal components, as they can interfere with the imaging process.
  • You have to put on a hospital gown.

Intravenous (IV) Line Insertion:

  • A nurse or technician will insert an IV line into a vein in your arm. This is to administer a contrast dye during the procedure, which helps enhance the visibility of the blood vessels.

Electrocardiogram (ECG) Monitoring

  • To perform the ECG monitoring, Electrodes will be attached to your chest to monitor your heart's electrical activity during the procedure. This helps to synchronize the imaging with your heartbeat.

Contrast Administration

  • Once you are positioned correctly on the CT scanner table, the contrast dye will be injected through the IV line. The dye may cause a warm sensation or a metallic taste in your mouth, but these effects are temporary.


  • The CT scanner table will move slowly through a large doughnut-shaped machine called a CT scanner.
  • You will be asked to hold your breath for short periods (usually a few seconds) during the scan to minimize motion artifacts.
  • The scanner uses X-rays and advanced computer technology to capture detailed images of your heart and coronary arteries. It rotates around you, taking multiple images from different angles.


  • After the scan, you may need to wait briefly for the radiologist to review the images and confirm they are of sufficient quality.
  • If there are no complications, you can usually resume your normal activities immediately after the procedure.

What is the Cost of CT Coronary Angiography?

The cost of CT Coronary Angiography depends on multiple factors such as:

  • Location
  • The reputation of the Diagnostic Centre
  • Technology Used

Generally, the average price of a CT Coronary Angiogram is INR 16000.

Look for CT Coronary Angiography near me centres and book your slot immediately.

Best Diagnostic Centre for CT Coronary Angiography

  • Ganesh Diagnostic is the best CT Scan Centre offering CT Coronary Angiography in Delhi NCR.
  • 128 Slice CT scan
  • NABH and NABL Accredited Diagnostic Centre
  • 5 lakhs+ patients served so far
  • Government and Private Organizations in our panels
  • 100% Accuracy of Results
  • 50% discount on all diagnostic procedures
  • Free Ambulance Service in Delhi NCR
  • Highly Experienced and Trained team of Medical Professionals
  • Free Consultation with Expert Consultant  Radiologist Dr. Ravin Sharma and Pathologist Dr. Sonal Sharma
  • Easy Appointment System through Website/ Call/ Centre Visit
  • Easy Payment System with Multiple Payment Options.

For any information regarding the test or scheduling an appointment, feel free to contact us