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How is an inferior infarction diagnosed?

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Quick Answer

An inferior cardiac infarction is diagnosed by coronary angiography and cardiac CT scans, according to the Canadian Journal of Cardiology. The condition can also be diagnosed through an electrocardiogram and transesophageal echocardiography.

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Coronary angiography is an imaging test that uses dye and X-rays to investigate the patient's coronary arteries, says the National Heart, Lung and Blood Institute. Because the dye highlights areas in the artery blocked with plaque, it is an excellent tool to use to diagnose an inferior infarction. During the procedure, a catheter is inserted into one of the patient's blood vessels and guided into the coronary arteries. Then, the dye is added while X-rays are taken.

The cardiac CT scan is used to find calcium deposits in the arteries, which are signs of atherosclerosis, says WebMD. It may also be used in conjunction with a coronary CT angiogram, which is basically the same technology as an angiography.

An electrocardiogram, or EKG, is a noninvasive way to monitor the heart, according to Mayo Clinic. A doctor uses it to study the electrical signals produced by the patient's heart. In this way, he can diagnose certain conditions.

A transesophageal echocardiography uses ultrasound to produce pictures of the heart and its arteries, according to the American Heart Association.

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