This paper describes data collection during open chest cardiovascular research based on an IBM compatible personal computer. Data from eight analogue data channels are collected at a rate of 500 Hz per channel for a period of more than 40 sec per run. General analysis functions include the integration of the data obtained from any channel as well as an exponential curve fitting routine. Special functions are available for the calculation of cardiac parameters. This includes the automatic determination of end-diastole and end-systole, as well as maximum and minimum values of all curves for both the systolic and diastolic phases of contraction. © 1991.
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