title: [Evaluation of the contractile function of the myocardium using tetrapolar thoracic rheography in the late stages of mitral stenosis].
abstract: Using apparatus RPG2-02 to obtain the differential rheogram and postulating that at the very onset of the systolic ejection of the blood from the ventricle there are conditions approximately corresponding to the isotonic regime of cardiac performance, the authors suggest formulae to calculate the volumetric rate (Formula: see text) volumetric acceleration (Formula: see text) and maximum volumetric acceleration of ventricular ejection (Nmax = N X DD). It is concluded that a noninvasive method can be used in the follow-up of patients and the assessment of myocardial contractility.
mesh_terms: D000328:Adult; D002307:Cardiography, Impedance; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000503:physiopathology* / Q000601:surgery; D009200:Myocardial Contraction; D010992:Plethysmography, Impedance; D014262:Tricuspid Valve Insufficiency / Q000175:diagnosis
vernacular_title: Otsenka sokratitel'noĭ funktsii miokarda metodom tetrapoliarnoĭ grudnoĭ reografii na pozdnikh stadiiakh mitral'nogo stenoza.