Intrapulmonary arteriovenous shunting refers to the abnormal connection between the pulmonary arteries and veins, allowing blood to bypass the lungs. This can lead to impaired gas exchange ...
Hepatopulmonary Syndrome: Update on Recent Advances in Pathophysiology, Investigation, and Treatment
It is due to vasodilation and angiogenesis in the pulmonary vascular bed, which leads to ventilation-perfusion mismatching, diffusion limitation to oxygen exchange, and arteriovenous shunting.
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