Pinardi G, Sainz A, Santiago E
J Appl Physiol. 1975 May;38(5):927-9. doi: 10.1152/jappl.1975.38.5.927.
An easily constructed, low-priced, simple, and reliable module to obtain stroke volume and cardiac output by analog integration of aortic blood flow velocity signals is described. Rapid data analysis of physiologic and pharmacologic cardiovascular responses in dogs is greatly facilitated by on line computation of these parameters.