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Cardiac CT

Modern CT scanners can perform a procedure called computed tomography angiography or CTA, which is notable for its accuracy (up to 95%) when detecting small blockages in coronary arteries. The imaging technology also allows doctors to rule out congenital abnormalities and severe heart and artery disease.

CTA is also significantly less invasive than older techniques like the cardiac cath which involves inserting a long, thin tube called a catheter into an artery or vein in the neck, groin, or arm to access the heart.

In essence, CT scanners are like X-ray machines that provide better imaging. Before the procedure, a contrast dye is injected into the patient’s arm so the scanner, which looks like a giant donut, can take multiple images to create a more detailed impression of the heart and its blood vessels.

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