FIELD: medicine; cardiology. SUBSTANCE: method involves administration of some contrast substance via the peripheral venous system. As the right auricle contrast is attained, the patient performs a functional breathing test. When the blood flow rate increases in the auricle, an additional hydraulic impulse in the auricle is created by compression of the belly for 1-2 s. A shift of the contrast into the left auricle via the interauricle communication is indicative of the heart failure. EFFECT: simpler method; higher diagnosis accuracy.
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