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What is Pulmonary Vascular Resistance (PVR)? – Video
ACLS Certification Association videos have been peer-reviewed for medical accuracy by the ACA medical review board.
Video at a Glance
- Pulmonary vascular resistance (PVR) is the degree to which the pulmonary vessels between the pulmonary artery and left atrium resist blood flow.
- This video explains the path of blood flow through the pulmonary artery, lungs, pulmonary veins, and heart.
- Pressure is impacted by the cardiac output of the right ventricle and PVR.
- In healthy lungs, PVR decreases as cardiac output increases.
- Increased PVR and lead to pulmonary hypertension.
- The most common cause of increased PVR is left ventricle disfunction.
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