40 year old man presents with resting heart rate of 180 beats/min. Pressure-volume diagram of left ventricle is shown below. What is the cardiac output?
Correct Answer: 5.6 L/min
Description: EDV = 130ml ; ESV = 50ml
Stroke volume = EDV -ESV = 130 - 50 = 70 ml
Cardiac output = Heart rate × Stroke Volume
= 80 × 70
= 5600 ml /min
Category:
Physiology
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