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CT Heart Scan

A computed tomography (CT) scan of the heart is method that uses x-rays to create detailed images of the heart and its blood vessels. Heart scan uses CT technology with or without intravenous (IV) contrast (dye) to visualize the anatomy of the heart, coronary circulation, and great blood vessels.

CT heart scan is used to evaluate

  • The heart muscle
  • The coronary arteries
  • The pulmonary veins
  • The sac around the heart
  • The thoracic and abdominal aorta

Different kinds of CT scans used in the diagnosis of heart disease

  • Calcium-Score Screening Heart Scan: This type of heart scan is used to detect calcium deposits in the coronary arteries that can narrow the arteries and increase the heart attack risk. The calcium-score screening heart scan is used to evaluate risk for future coronary artery disease. If calcium is present, the computer creates a calcium "score" by estimating the extent of coronary artery disease based on the number and density of calcified coronary plaques present in the coronary arteries. Absence of calcium means the test is negative but does not absolutely exclude the possibility of a future heart attack.
  • Coronary CT Angiography (CTA): Coronary computed tomography angiography (CTA) is a noninvasive heart imaging test that gives high-resolution, three-dimensional pictures of the heart in movement and great vessels to determine if either fatty or calcium deposits have built up in the coronary arteries.
  • Total Body CT Scan (TBCT): It is a diagnostic technique that uses computed tomography to help identify potential problems or diseases before symptoms even appear.