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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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



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.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
van Dalen et al., "Factors affecting sensitivity and specificity of diagnostic testing: dobutamine stress echocardiography," Journal of the American Society of Echocardiography, vol.
Shapiro, "Utility of dobutamine stress echocardiography as part of the pre-liver transplant evaluation: an evaluation of its efficacy," Clinical Cardiology, vol.
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).
Dobutamine stress echocardiography at 7.5 mg/kg/min using color tissue Doppler imaging M-mode safely predicts reversible dysfunction early after reperfusion in patients with acute myocardial infarction.
Dobutamine stress echocardiography: a sensitive indicator of diminished myocardial function In asymptomatic doxorubicin-treated longterm survivors of childhood cancer.
(14.) Hui L, Leung MR Ha SY, Chau AK, Cheung YE Early detection of left ventricular dysfunction in patients with beta thalassemia major by dobutamine stress echocardiography. Heart 2003; 89: 669-70.
Dobutamine stress echocardiography can be used in order to evaluate hemodynamic performance of the valve in vivo under stress and it is a simple, safe and easily available method (3).
Jude Medical and Carbomedics 21mm aortic prostheses by means of dobutamine stress echocardiography. J Thorac Cardiovasc Surg 1996; 111: 408-15.