![]() Carotid intima media thickness (IMT) US uses ultrasound pictures of the carotid arteries to measure the thickness of the two innermost layers (the intima and media) of the carotid artery walls and to help identify plaque buildup.estimate the diameter of a blood vessel and degree of obstruction, if present.assess blood flow in the carotid arteries.Carotid duplex US uses a combination of conventional and Doppler ultrasound to:.Doppler ultrasound is a special ultrasound technique that evaluates blood flow - including both its speed and direction- through a blood vessel. Conventional US involves the use of a small transducer (probe) to expose the body to high-frequency sound waves. Ultrasound imaging, also called ultrasound scanning or sonography or carotid duplex, is a safe and painless way to produce pictures of the inside of the body using sound waves. carotid intima media thickness (IMT) ultrasound.In carotid artery screening, individuals who have no signs or symptoms of carotid artery disease undergo ultrasound (US) imaging of the carotid arteries, such as: However, an individual's needs for a specific screening test are based on factors such as age, gender, and family history. These tests are typically available to the general population. Screening tests may include lab tests that check blood and other fluids, genetic tests that look for inherited genetic markers linked to disease, and imaging exams that produce pictures of the inside of the body. In order to be widely accepted and recommended by medical practitioners, a screening program must meet a number of criteria, including reducing the number of deaths from the given disease. The goal of screening is to detect disease at its earliest and most treatable stage. Screening exams find disease before symptoms begin.
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