Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews · Heart

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 1 · 100%

Proarrhythmia · adults in sinus rhythm after cardioversion of atrial fibrillation

Metoprolol leads to higher proarrhythmia compared with placebo or no treatment (high certainty).

1 finding from 1 review

Antiarrhythmics for maintaining sinus rhythm after cardioversion of atrial fibrillation 2019 · Cochrane Headline outcomes only
RR 18.14 [2.42, 135.6]
2 studies · 562 participants
High