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Last Update: 01/29/2025 02:29 PM

Current Deck: PHYSIOLOGY::exam one

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Field Change Suggestions:
Note that up to @150ml, the diastolic pressure doesn’t rise much, meaning up to this point it is easy for blood to flow from atrium to ventricle- above 150ml, the walls of the ventricle are stretched and pressure rises rapidly.  Systolic pressure increases even at lower volumes, maxing at @150-170mls.  Above this volume, systolic pressure can fall. 
Why?  
The tissue is so stretched that the actin/myosin filaments are too far apart.  Left ventricle pressure gets up to 250 to 300 mmHg, right ventricular pressure maxes out at 60 to 80 mmHg.