Review Note
Last Update: 01/29/2025 02:29 PM
Current Deck: PHYSIOLOGY::exam one
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Commit #272755Note
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?
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Commit #272755The
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.