Atropine and Amiodarone

[reagans_mom]

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can someone explain why atropine will not treat bradycardia in a patient on amiodarone? thanks

 

[28657]

can someone explain why atropine will not treat bradycardia in a patient on amiodarone? thanks

I found a resource that states, "amiodarone reduces sinus node automaticity and may cause atropine-resistant sinus bradycardia". Therefore, guidelines state to treat amiodarone induced bradycardia with a decrease in dose or insertion of a pacemaker.