HjärtCTangiografi

HjärtCTangiografi, also known as CT coronary angiography or CCTA, is a non-invasive imaging technique used to visualize the coronary arteries, which supply blood to the heart muscle. It utilizes computed tomography (CT) technology combined with the injection of a contrast agent to create detailed cross-sectional images of the heart and its arteries.

The procedure typically involves a patient lying on a CT scanner table. Before the scan, an intravenous line is placed to administer the contrast dye. The patient's heart rate is often controlled to ensure clearer images. During the scan, which lasts only a few seconds, a rapid X-ray beam rotates around the patient, capturing multiple images. The contrast agent highlights the blood-filled coronary arteries, allowing them to be seen distinctly from surrounding tissues.

HjärtCTangiografi is primarily used to detect and evaluate coronary artery disease (CAD), including atherosclerosis, which is the buildup of plaque in the arteries. It can help identify blockages or narrowing of the arteries that could lead to a heart attack. The results can aid in diagnosing chest pain, assessing the risk of future cardiac events, and guiding treatment decisions, such as the need for medication, angioplasty, or bypass surgery. While generally safe, potential risks include allergic reactions to the contrast agent and radiation exposure.