Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

78 questions · 78 findings · 4 reviews · Heart

No studies found 23 · 29.5%GRADE not reported 0 · 0%Very low 32 · 41%Low 17 · 21.8%Moderate 4 · 5.1%High 2 · 2.6%

Lidocaine vs placebo or no intervention

Adverse events (AEs; adverse drug reaction): asystole · patients with acute myocardial infarction

It is very uncertain whether lidocaine changes adverse events (AEs; adverse drug reaction): asystole compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Lidocaine vs aprindine

Specific behaviour ‐ agitation · patients with myocardial infarction

It is very uncertain whether lidocaine changes agitation compared with aprindine (very low certainty).

1 finding from 1 review

Lidocaine vs pirmenol

Adverse events (any type) and safety of sealant · patients with myocardial infarction

It is very uncertain whether lidocaine changes safety (AEs; adverse drug reaction): any adverse event compared with pirmenol (very low certainty).

1 finding from 1 review

Lidocaine vs placebo or no intervention

Adverse events (AEs; adverse drug reaction): sinus bradycardia · patients with acute myocardial infarction

It is very uncertain whether lidocaine changes adverse events (AEs; adverse drug reaction): sinus bradycardia compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Lidocaine vs placebo or no intervention

Adverse events (AEs; adverse drug reaction): drowsiness/dizziness · patients with acute myocardial infarction

Lidocaine may leads to higher adverse events (AEs; adverse drug reaction): drowsiness/dizziness compared with placebo or no intervention (low certainty).

1 finding from 1 review

Lidocaine vs disopyramide

All‐cause mortality · patients with myocardial infarction

It is very uncertain whether lidocaine changes all‐cause mortality compared with disopyramide (very low certainty).

1 finding from 1 review