[Possibilities of current imaging diagnosis of cancer of the gallbladder].
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Biomedical subjects
Publications and source records attributed to V V Zaretskii.
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The authors studied the diagnostic possibilities of contrast echocardiography in tricuspid (TVI), mitral (MVI) and aortic (AVI) insufficiency. In 29 patients with TVI the contrast medium was injected into the cubital vein, in 12 patients with MVI and in 13 patients with AVI it was injected into the left ventricle and the aorta respectively at catheterization. Four diagnostic echocontrast criteria of TVI were deduced, three of which have a high specificity and sensitivity. Diagnosis of MVI and AVI is possible only with the use of selective contrast echocardiography, which provides direct signs of regurgitation through the affected valve, is highly specific and sufficiently sensitive.
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On comparing the results of study of the cardiohemodynamics indices under conditions of submaximum or threshold bicycle-ergometry load with the findings of echocardiography at rest in 64 patients with chronic ischemic heart disease, the authors conclude that echocardiography is a very promising method for ascertaining the cardiac muscular reserve, particularly in those patients with ischemic heart disease in whom the low coronary reserve does not allow the performance of tests under conditions of physical exertion.
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