Explain pulmonary capillary wedge pressure, Biology

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Q. Explain Pulmonary Capillary Wedge Pressure?

The PCW waveform is similar to LA pressure waveform except that it is damped and delayed due to transmission through the lungs. The "c" waves may not be seen. Normally the PA diastolic pressure is similar to the mean PCW pressure as the pulmonary circulation has a low resistance. 


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