An abnormal direct communication between an artery and a vein without passing through the CAPILLARIES. An A-V fistula usually leads to the formation of a dilated sac-like connection, arteriovenous aneurysm. The locations and size of the shunts determine the degree of effects on the cardiovascular functions such as BLOOD PRESSURE and HEART RATE.
See also reference (FX) in Slovak
malformácie artériovenózne
See also reference (FX) in English
Arteriovenous Malformations
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(1) - MeSH descriptor
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