Calculate Pulmonary Vascular Resistance
Calculate Pulmonary Vascular Resistance
Given
- Mean Pulmonary artery pressure 18
- Mean Pulmonary artery wedge pressure – 8 mmHg
- Cardiac output: 5 L/min
[A] 2 Wood unit
[B] 5 Wood unit
[C] 8 Wood unit
[D] 12 Wood unit
Calculate Pulmonary Vascular Resistance
Pulmonary vascular resistance
= [MPAP – MPAWP] / C.O
= (18 – 8) / 5
= 2 Wood unit
Normal PVR is usually less than 2 Wood units (between 30 and 180 dynes/sec/cm−5)
Normal mean pulmonary artery pressure (mPAP) is 14±3 mmHg with an upper limit of 20 mmHg
Normal pulmonary capillary wedge pressure is between 4 to 12 mmHg
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