Drugs Which Affect Risk of Arrhythmias

Drugs that can prolong the QTc interval or unmask a Brugada ECG pattern, raising the risk of torsades de pointes, ventricular tachycardia or ventricular fibrillation. The Risk column says which part(s) a drug is on. A drug missing from this list has not been shown to be safe; it simply is not flagged here.