Essentials in echocardiography
نویسندگان
چکیده
منابع مشابه
ESSENTIALS OF ECHOCARDIOGRAPHY #3 Heart Muscle Disease
Chronic elevation of myocardial stress due to pressure overload, as in hypertension or aortic stenosis, causes cardiac muscle to hypertrophy with a resulting increase in myocardial thickness. There is normally little or no change in overall cardiac size, so the wall thickening occurs at the expense of the cavity (Fig. 1 and Fig. 2). In the case of mitral regurgitation, on the other hand, ventri...
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From its introduction in 1954 to the mid 1970’s, most echocardiographic studies employed a technique called M-mode, in which the ultrasound beam is aimed manually at selected cardiac structures to give a graphic recording of their positions and movements. M-mode recordings permit measurement of cardiac dimensions and detailed analysis of complex motion patterns depending on transducer angulatio...
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Imaging Neuroscience is aiming to reveal functional changes, that is, changes in brain activity, and structural changes, which address changes in neuroanatomy. There is a growing interest in defining functional interactions of different brain regions based on the increased sensitivity and specificity of functional magnetic resonance imaging (fMRI). The present contribution is a brief overview o...
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L'echocardiographie trouve de plus en plus une place importante dans L'evaluation des diverses cardiopathies tant acquises que Congenitales. Cette technique, non sanglante et atraumatique a surtout l'intcrrct de Pouvoir etre repete a volonte. Ainsi l'echoc'.lrdiographie rend de servic-:: certains dans L'etablissement du bilan preoperatoin: des cctrdiooathies valvulaires sifrequente en Ir...
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ژورنال
عنوان ژورنال: Clinical Cardiology
سال: 1982
ISSN: 0160-9289,1932-8737
DOI: 10.1002/clc.4960050806