The Dirtiest Drug? When NOT to Use Amiodarone in the ED

Amiodarone, despite being a valuable antiarrhythmic agent, can be dangerous in specific clinical scenarios: it should be avoided in patients with hyperkalemia (due to sodium channel blockade worsening the condition), Wolff-Parkinson-White syndrome with rapid ventricular response (due to calcium channel and beta blockade effects on the AV node), and Brugada syndrome (due to sodium channel blockade exacerbating the underlying channelopathy). In these situations, alternative treatments such as electricity, procainamide, or isoproterenol should be considered instead.