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Changes of Cardiac Output Caused by Aging: An Impedance Cardiographic Study

P.K. Bhat

V. Knighten

The various parameters of cardiac output were studied in 132 healthy subjects from 20 to 89 years of age by impedance cardiography. This noninvasive method supplied data that were similar to those found by others by dye dilution methods.

All parameters of cardiac output decrease with age. However, we found a difference between the two sexes in the rate of decrease of the cardiac index: women had a more marked drop at an earlier age and then a steady course, while men had a progressive decrease from the youngest to the oldest group.

Angiology, Vol. 31, No. 2, 75-81 (1980)
DOI: 10.1177/000331978003100201


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				A. A. Luisada, G. L. Perez, H. Kitapci, and V. Knighten Abnormal Left Ventricular Contraction Revealed by Impedance Cardiograms and Arterial Tracings in Bundle Branch Blocks and Old Myocardial Infarcts Angiology, July 1, 1981; 32(7): 439 - 447. [Abstract] [PDF]