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ALL / Clinical Sciences
Cardiovascular physiology
Cardiovascular physiology
Left ventricular ejection fraction
Left ventricular ejection fraction = (stroke volume / end diastolic LV volume ) * 100%
Stroke volume = end diastolic LV volume - end systolic LV volume
Cardiac output
Cardiac output = stroke volume x heart rate
Pulse pressure
Pulse pressure = Systolic Pressure - Diastolic Pressure
Factors which increase pulse pressure
- a less compliant aorta (this tends to occur with advancing age)
- increased stroke volume
Systemic vascular resistance
Systemic vascular resistance = mean arterial pressure / cardiac output
+PassMedicine Notes
Left ventricular ejection fraction
Left ventricular ejection fraction = (stroke volume / end diastolic LV volume ) * 100%
Stroke volume = end diastolic LV volume - end systolic LV volume
Cardiac output
Cardiac output = stroke volume x heart rate
Pulse pressure
Pulse pressure = Systolic Pressure - Diastolic Pressure
Factors which increase pulse pressure- a less compliant aorta (this tends to occur with advancing age)
- increased stroke volume
Systemic vascular resistance
Systemic vascular resistance = mean arterial pressure / cardiac output
