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A block diagram of the pulsatile flow system used to evaluate hemodynamic performance of aortic valves. Edwards TruWave disposable pressure transducers (PT1 and PT2) were used to measure the TPG, and a Transonic TS410 Flowmeter was used to monitor flow. The analog signals were digitized, stored, and analyzed using custom software. The linear actuator generated a pulsation rate of 70 beats per minute.
