Clinical finding in AV fistula is one of the following
Correct Answer: Sinus tachycardia
Description: The mechanism behind bradycardia associated with Branham sign is likely similar to the reflex arc that occurs during the Bezold-Jarisch reflex. Presence of an AV fistula results in increased cardiac output because of low resistance across the AV shunt. Ref Davidson 23rd edition pg 467
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