Unformatted text preview: the effect of exercise on the timing of various parameters of tnr blood pressure. A. Heart Sounds No doubt you have watched many times as a doctor listened to your heart. Most heart sounds are low frequency (<100H2) and are thus hard to hear with the equipment we are us-ing in lab today. There are, however, sounds associated with the op.nini and closing of valves and the turbulent flow of blood that are relatively easy to hear, *f,i.h you wili be able to listen to today. It is traditional to mention four distinct sounds during the cardiac cycle, but without sufficient training, one usually hears only the two majoriounds: Page I...
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- Spring '11
- Cardiology, mean arterial preJsure