[Evaluation of the pump and contractile functions of the heart in healthy persons by tetrapolar chest rheography].
The central hemodynamics and myocardial contractility were studied in 40 normal untrained men by tetrapolar chest rheography. The response to exercise was studied and compared in subjects with eu- and hypokinetic circulatory types. It was revealed that marked differences in the SI, CI, SPR recorded at rest lessen with exercise increase and disappear at submaximal and maximal levels of exercise at the expense of a higher rate of changes in these parameters in subjects with the hypokinetic circulatory type. The energy and tension adequacy of both types of normal circulation under exercise has been proved. The linear increase in the index of myocardial contractility (Formula: see text) has been shown to be dependent on the exercise rate and to be in a good agreement with an increase in the MV (r = 0.82), which is highly informative.
D000328:Adult; D002307:Cardiography, Impedance; D003326:Coronary Circulation; D006321:Heart / Q000502:physiology*; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction
Otsenka nasosnoĭ i sokratitel'noĭ funktsii serdtsa u zdorovykh metodom tetrapoliarnoĭ grudnoĭ reografii.