Echocardiography

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Related to Transesophageal echocardiography: cardioversion, Cardiac catheterization, Transesophageal echocardiogram

echocardiography

[‚ek·ō‚kärd·ē′äg·rə·fē]
(medicine)
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.

Echocardiography

 

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.

REFERENCE

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

N. M. MUKHARLIAMOV

References in periodicals archive ?
Weissmuller et al., "Role of intraoperative transesophageal echocardiography for diagnosing and managing pulmonary embolism in the perioperative period," Anesthesia & Analgesia, vol.
(1.) American Society of Anesthesiologists, Society of Cardiovascular Anesthesiologists Task Force on Transesophageal Echocardiography. Practice guidelines for perioperative transesophageal echocardiography.
Comparison between data from two-dimensional intraoperative transesophageal echocardiography and surgery
simultaneous study with transcranial doppler, transthoracic and transesophageal echocardiography," Revista Espanola de Cardiologia, vol.
Abbreviations LHAS: Lipomatous hypertrophy of the atrial septum TEE: Transesophageal echocardiography TTE: Transthoracic echocardiography LAD: Left anterior descending artery RCX: Ramus circumflex RCA: Right coronary artery RA: Right atrium.
Transcoelomic and transesophageal echocardiography and CT angiocardiography findings were consistent with cardiomyopathy.
Another type of echocardiography is called transesophageal echocardiography (TEE).
UAV can be detected using various imaging techniques including TTE, transesophageal echocardiography or 3D echocardiography, cardiac CT, or magnetic resonance imaging.
But this is the first time the integration of computed tomography (CT) and three-dimensional transesophageal echocardiography (3DTEE) has successfully been used for printing a hybrid 3D model of a patient's heart.
Structural remodeling of the left atrial appendage in patients with chronic non-valvular atrial fibrillation: Implications for thrombus formation, systemic embolism, and assessment by transesophageal echocardiography. Cardiovasc Pathol 2000; 9(2):95-101.