FIELD: medicine.
SUBSTANCE: invention refers to medicine, namely to echocardiography, can be used in diagnosing the acquired mitral valve heart defects. Transthoracic echocardiography is performed from apical approach with recording of heart image synchronously with electrocardiogram, cavities of left atrium and left ventricle are separated and their volumes are measured. A three-dimensional image of the heart is recorded in 5-chamber position; 3D four-dimensional model of the left ventricle and the left atrium is constructed in the systole phase and in the diastole phase. On both images, the internal outlines of the output left ventricle are additionally identified, its volume is determined, and the volume remodeling index (VRI) is calculated by the formula VRI = Vlvo/Vla, where Vlvo is the total volume of the left ventricle and its output, Vla is the volume of the left atrium.
EFFECT: method enables providing more accurate determination of left ventricular volume while reducing diagnostic examination time.
1 cl, 2 ex
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