Pressure and Volume Changes in the Chambers - Volume changes in the ventricles
3 important questions on Pressure and Volume Changes in the Chambers - Volume changes in the ventricles
Volume change during ventricular systole
During ventricular contraction, AV valves closes, and semilunar valves open.
There is a short period in which contraction has begun with no blood movement = isovolumetric contraction (IC)
There is a short period in which contraction has begun with no blood movement = isovolumetric contraction (IC)
What is the period of rapid ejection?
RE is the period in which ventricles are emptying blood into aorta and pulmonary arteries
Volume changes during ventricular diastole
Ventricular pressure falls to diastolic values, high pressure in atria pushes AV valve open and blood flows into ventricle causing increase in ventricular volume (period of rapid inflow (RI))
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