Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

10 questions · 14 findings · 1 reviews · Heart

No studies found 5 · 35.7%GRADE not reported 0 · 0%Very low 3 · 21.4%Low 1 · 7.1%Moderate 4 · 28.6%High 1 · 7.1%

Beta‐blockers vs placebo or no intervention

MACE · patients with suspected or diagnosed myocardial infarction

It is very uncertain whether beta‐blockers changes MACE (major adverse cardiovascular event) at maximum compared with placebo or no intervention (very low certainty).

2 findings from 1 review

Beta‐blockers vs placebo or no intervention

Angina · patients with suspected or diagnosed myocardial infarction

It is very uncertain whether beta‐blockers changes angina at maximum compared with placebo or no intervention (very low certainty).

2 findings from 1 review

Beta‐blockers vs placebo or no intervention

Cardiovascular mortality · patients with suspected or diagnosed myocardial infarction

Beta‐blockers probably leads to lower cardiovascular mortality at maximum compared with placebo or no intervention (moderate certainty).

2 findings from 1 review

Beta‐blockers vs placebo or no intervention

Myocardial infarction · patients with suspected or diagnosed myocardial infarction

Beta‐blockers showed no clear difference in myocardial infarction at maximum compared with placebo or no intervention (low certainty).

2 findings from 1 review