29 - The average heart rate is about 70 bpm and the average...

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Sheet1 Page 1 Timing and Type of Murmur Associated with Various Heart Valve DisordersPatternHeardType of Valve DefectTiming of Mu Regulation of Cardiac Output (Figure 9-29) - cardiac output is equivalent to the volume of blood pumped by each ventricle through the pulmonary circulation is equivalent to that pumped through the systemic circulation. Two factors determine cardiac output: heart rate and stroke volume.
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Unformatted text preview: The average heart rate is about 70 bpm, and the average stroke volume is about 70 mls. Therefore, C.O. = 70x70 = 4,900 Heart rate is regulated by the parasympathetic and sympathetic branches of the autonomic nervous system. Stroke volume Parasympathetic and sympathetic inputs have opposing effects on the heart....
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This note was uploaded on 10/29/2009 for the course NPB NPB 101 taught by Professor Weidner/wingfield during the Fall '08 term at UC Davis.

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