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A diagnostic technique for the heart that uses a transducer held against the chest to send high-frequency sound waves which pass harmlessly into the heart; as they strike structures within the heart, they are reflected back to the transducer and recorded on an oscilloscope.



a method of examining the heart by means of ultrasound. Echocardiography is based on the recording of ultrasonic waves reflected from the surfaces of heart structures differing in density. Under normal conditions, curves are recorded successively from the walls of the aorta and left atrium, the anterior and posterior cusps of the mitral valve, the interventricular septum, and the posterior wall of the left ventricle.

Echocardiography is used to diagnose acquired and, to a lesser extent, congenital valvular diseases. It helps determine the condition of the cusps and the extent of narrowing of the valve openings; it identifies defects in the septa, large transposed blood vessels, and hypoplasia. Echocardiology is also used to diagnose pericarditis with effusion, tumors, and other abnormal conditions. The procedure is used to measure the volume, wall thickness, and mass of the muscular layer of the left ventricle; the stroke volume; and some other parameters of the blood circulation. By combining echocardiography and ultrasonic scanning one can obtain successive images of heart structures that reflect their dynamics during systole and diastole.


Kardiologiia, 1974, no. 1, pp. 82–86; 1976, no. 6, pp. 15–25.


References in periodicals archive ?
The long prognostic value of wall motion abnormalities during the recovery phase of dobutamine stress echocardiography after receiving acute beta-blockade.
Stratifying the risk in unstable angina with dobutamine stress echocardiography.
Dobutamine stress echocardiography is highly accurate for the prediction of contractile reserve in the early postoperative period, but may underestimate late recovery in contractile reserve after revascularization of the hibernating myocardium.
None of our patients developed regional wall motion abnormalities during dobutamine stress echocardiography testing, which is a sensitive and specific method for the detection of myocardial ischemia (16,17).
In the present study, a proportion of PVD patients had increased IMA concentrations at baseline (26%) and 1 h (48%) after exercise testing despite the absence of cardiac ischemia (negative results of dobutamine stress echocardiography testing).
Prognostic value of predischarge dobutamine stress echocardiography in chest pain patients with a negative cardiac troponin T.
Dobutamine stress echocardiography in the evaluation of late anthracycline cardiotoxicity in childhood cancer survivors.
Detection of early anthracycline-induced cardiotoxicity in childhood cancer with dobutamine stress echocardiography.
5), demonstrated that, the data obtained through dobutamine stress echocardiography (DSE) and the data obtained through cardiac catheterization were similar (5).
The aim of this study was to investigate the response of heart to stress according to the size of the prosthetic valve in patients who had undergone mitral valve replacement by using dobutamine stress echocardiography and to evaluate the relationship between the size of the prosthetic valve and cardiac recovery-remodeling process.