CARDIAC CYCLE-PHASES
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Revision as of 02:30, 21 March 2023 by Dr Appukutty Manickam (talk | contribs) (Imported from text file)
SUMMARY
1. Duration of the normal cardiac cycle at rest: 0.8-0.9 sec
2. A: closure of the MV at the onset of ventricular systole
3. B: closure of the AV at the onset of rapid ventricular ejection
4. C: closure of the AV at the end of ventricular ejection, forming the dicrotic notch
5. D: opening of the MV at the onset of ventricular diastole
Image: Dr. Appukutty Manickam.
Reference(s)
Barrett, K.E., Barman, S.M., Brooks, H.L., X, J. and Ganong, W.F. (2019). Ganong’s review of medical physiology. 26th ed. New York: Mcgraw-Hill Education
