Antiarrhythmic β‐blockers are used in patients at risk of myocardial ischaemia, but the survival benefit and mechanisms are unclear. We hypothesized that β‐blockers do not prevent ventricular fibrillation (VF) but… Click to show full abstract
Antiarrhythmic β‐blockers are used in patients at risk of myocardial ischaemia, but the survival benefit and mechanisms are unclear. We hypothesized that β‐blockers do not prevent ventricular fibrillation (VF) but instead inhibit the ability of catecholamines to facilitate ischaemia‐induced VF, limiting the scope of their usefulness.
               
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