Which medications in the drug class Cardiovascular, Other are used in the treatment of Sinus Node Dysfunction?

Updated: Nov 30, 2018
  • Author: Bharat K Kantharia, MD, FRCP, FAHA, FACC, FESC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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Cardiovascular, Other

It may be necessary to use antiarrhythmic agents for concomitant tachyarrhythmia.


Quinidine maintains normal heart rhythm following cardioversion of atrial fibrillation or flutter. It depresses myocardial excitability and conduction velocity. Control the ventricular rate and CHF (if present) with digoxin or calcium channel blockers before the administration of quinidine.

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