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Anatomy Other topics and Adverse effects 4e6a2874

Mechanism of action of digitalis in atrial fibrillation is

A
By Causing bradycarlia
B
Na+ K+ ATPase inhibition
C
Increase in refractoriness of AV nodal tissue
D
By Causing bradycarlia
High-Yield Explanation
(Ref: KDT 6/ep502) Digitalis acts in CHF by inhibiting Na+-K+-ATPase whereas in AF, it acts by decreasing the conduction through AV node.

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