2 doctors weighed in:

Please explain why is pulmonary arterial blood pressure less than systemic arterial blood pressure?

2 doctors weighed in
Dr. Calvin Weisberger
Internal Medicine - Cardiology
1 doctor agrees

In brief: PAP

The resistance to flow of blood is much lower in the lung than in the systemic circulation, this is why the pa pressure is normally lower than systemic pressure, the blood flow in both circuits is normally the same and pressure equals flow times resistance.

In brief: PAP

The resistance to flow of blood is much lower in the lung than in the systemic circulation, this is why the pa pressure is normally lower than systemic pressure, the blood flow in both circuits is normally the same and pressure equals flow times resistance.
Dr. Calvin Weisberger
Dr. Calvin Weisberger
Thank
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