Pulmonary valve stenosis

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Notion

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Science and technology

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What Wikipedia says

Pulmonary valve stenosis (PVS) is a heart valve disorder. Blood going from the heart to the lungs goes through the pulmonary valve, whose purpose is to prevent blood from flowing back to the heart. In pulmonary valve stenosis this opening is too narrow, leading to a reduction of flow of blood to the lungs.

Excerpt from the Wikipedia article “Pulmonary valve stenosis”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Mariana Ruiz LadyofHats, Public domain, via Wikimedia Commons.