CCTA – Cardiac (Coronary) CT Angiography
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CCTA - Cardiac (Coronary) CT Angiography
Cardiac CT Angiography (CCTA) is a non-invasive imaging procedure that generates detailed 3D images of the coronary arteries—the vessels that supply blood to the heart. It enables detection and diagnosis of coronary artery disease, heart failure, and blood flow abnormalities.
Using advanced CT technology, CCTA identifies plaque build up or other blockages that may restrict blood flow. A safe, non-toxic contrast dye is injected to enhance image clarity and highlight any irregularities in the vessels.
Advantages
- Reduced radiation exposure: Our advanced VCT XT system uses a unique "snapshot" acquisition technique, cutting radiation exposure by up to 70% compared to conventional cardiac CT.
- Exceptional image quality: Allows for the precise detection of arterial plaque and narrowing.
- Faster scan time: Provides quicker results and improved patient comfort.
FAQ's : Cardiac CT Angiography (CCTA)
What is ischemic heart disease?
Ischemic heart disease, or coronary artery disease, occurs when coronary arteries become narrowed or blocked due to plaque build up (atherosclerosis). This restricts blood and oxygen supply to the heart, leading to chest pain (angina) or heart attacks.
What are the risk factors for coronary artery disease?
- Family history of heart disease
- High cholesterol
- Smoking, diabetes, or high blood pressure
- Abnormal ECG or treadmill test results
What is a Cardiac / Coronary CT?
Cardiac CT uses high-speed, multi-slice CT technology to generate detailed 3D images of the heart's blood vessels ( Coronary arteries). Unlike traditional coronary angiograms, it is completely non-invasive.
Who can undergo a Cardiac CT?
CCTA is typically recommended for patients with moderate risk for coronary artery disease based on symptoms and clinical profile. High-risk individuals may require a conventional catheter angiogram. The decision is made by your referring cardiologist or physician. A normal CCTA result can reliably rule out significant coronary artery disease, potentially avoiding the need for invasive procedures.
Are there any risks involved?
CCTA is considered a low-risk procedure. Radiation exposure is minimized with step-and-shoot technology, and the contrast dye used is non-ionic and generally safe. Mild, temporary sensations such as warmth during injection may occur.
What happens before or during the exam?
During the CCTA procedure:
- If needed, you'll receive medication to lower your heart rate for optimal imaging.
- A small needle will be placed in a vein in your arm for the contrast dye.
- You may feel a brief warm sensation during the dye injection.
- You'll be asked to hold your breath for 5–8 seconds during image capture.
