Clinical Applications Of New Echocardiographic Techniques

Richard L. Popp

doi:10.1117/12.956990

19 June 1979 Clinical Applications Of New Echocardiographic Techniques

Richard L. Popp

Proceedings Volume 0167, Noninvasive Cardiovascular Measurements; (1979) https://doi.org/10.1117/12.956990
Event: Noninvasive Cardiovascular Measurements, 1978, Palo Alto, United States

Abstract

Standard M-mode echocardiography has been accepted for accuracy and safety proven in over twenty years of clinical use. However the special training needed to interpret echocardiographic tracings in this form has made the technique under-utilized by the general medical public. The extension of echocardiography into two-dimensional ultrasonic imaging permits non-invasive visualization of the heart with an anatomic format that makes the resulting information more comprehensible to the average cardiologist and cardiovascular surgeon. Theoretically, examining signals from all areas of the cardiac valve or chamber reduces the chance of sampling error and in fact provides a more solid base for interpretation of abnormalities. The two-dimensional echo (2DE) instruments provide M-mode information, as well as two-dimensional display, and have been shown to be accurate for quantitation of the size of cardiac valves, the presence of intracardiac masses, the volume of cardiac chambers, segmental left ventricular wall motion abnormalities, complex congenital cardiac malformations, and the presence of pericardial fluid surrounding the heart. Several laboratories are carrying out exciting investigations on the effects of acute and chronic coronary artery disease on the motion pattern of ventricular walls as well as recognizing the main coronary vessels per se. Seeing the main coronary arteries allows attempted recognition of pathology within these vessels directly and serves as a basis for identifying the position of intracardiac and transcutaneous flow measuring devices. Also, 2DE can be used to identify the orientation and location of myocardial segments to be sampled for tissue signature analysis in attempts to non-invasively characterize the histology of the heart.

Citation Download Citation

Richard L. Popp "Clinical Applications Of New Echocardiographic Techniques", Proc. SPIE 0167, Noninvasive Cardiovascular Measurements, (19 June 1979); https://doi.org/10.1117/12.956990

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