Tissue Doppler echocardiography
Tissue Doppler echocardiography (pronunciation: tish-oo dop-ler ek-oh-kar-dee-og-ruh-fee) is a medical imaging technique used in cardiology to measure the velocity of myocardial tissue motion. The term originates from the Greek words "echo" meaning sound, and "kardia" meaning heart, and the English word "Doppler", named after the Austrian physicist Christian Doppler.
Overview
Tissue Doppler echocardiography is a type of echocardiography that uses the Doppler effect to measure the speed and direction of blood flow in the heart. This technique is particularly useful for assessing the function of the left ventricle, the main pumping chamber of the heart. It can also be used to evaluate the function of the right ventricle and the heart valves.
Procedure
During a Tissue Doppler echocardiography, a transducer is placed on the chest, which sends out high-frequency sound waves. These waves bounce off the heart and return to the transducer, creating an image of the heart on a monitor. The Doppler effect is used to measure the speed and direction of blood flow within the heart.
Applications
Tissue Doppler echocardiography is used to diagnose and monitor various heart conditions, including heart failure, coronary artery disease, and valvular heart disease. It can also be used to assess the effectiveness of treatments for these conditions.
Limitations
While Tissue Doppler echocardiography is a valuable tool in cardiology, it has some limitations. For example, it may not provide accurate measurements in patients with irregular heart rhythms or in those with poor acoustic windows.
See also
- Echocardiography
- Doppler effect
- Cardiology
- Heart failure
- Coronary artery disease
- Valvular heart disease
External links
- Medical encyclopedia article on Tissue Doppler echocardiography
- Wikipedia's article - Tissue Doppler echocardiography
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