Venturi Effect on Blood Flow Caused by Cholesterol Plaque in Arteries

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When cholesterol deposits form plaque on the inner walls of an artery, the velocity of blood flow increases (yellow arrow when ) and generates higher pressure according to the Venturi effect (blue arrows). This can lead to collapse the artery, causing a myocardial infarction in a coronary artery, for example.

Contributed by: Enrique Zeleny (March 2011)
Open content licensed under CC BY-NC-SA


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