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Related to Transthoracic echocardiography: Transesophageal echocardiography


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 It might be outdated or ideologically biased.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 ?
Improving the appropriate use of transthoracic echocardiography: The Echo WISELY Trial.
Caption: FIGURE 2: Intraoperative transthoracic echocardiography, 4 chamber apical view showing a right atrial thrombus (arrow), right ventricular dilatation, right atrial dilatation, and septal bowing.
Caption: FIGURE 6: Transthoracic echocardiography. Almost complete resolution of the pericardial disease after 5 weeks of therapy with glucocorticoids.
Transthoracic echocardiography. Tissue Doppler in apical four-chamber view with tissue tracking (left).
Badano, "Head-to-head comparison of real-time three-dimensional transthoracic echocardiography with transthoracic and transesophageal two-dimensional contrast echocardiography for the detection of patent foramen ovale," European Heart Journal--Cardiovascular Imaging, vol.
In our case, a total resection was performed because of the enlargement of the mass during the observational follow-up after the first detection during routine health examination of transthoracic echocardiography 5 years earlier.
Our study failed to demonstrate a reduction in the rate of duplicate transthoracic echocardiography testing after the implementation of an electronic health records system.
Transthoracic echocardiography revealed normal diameters of heart chambers and good performance of both ventricles with mild aortic regurgitation and atrial septal aneurysm without detection of flow between left and right atrium.
In this case, the authors performed transthoracic echocardiography to rule out aortic dissection, involving the arch and coronary ostial narrowing before and during surgery.
Transthoracic echocardiography, parasternal long axis view showing dilated aortic root

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