When administered in the setting of an acute myocardial infarction, β-blockers decrease myocardial ischaemia, reduce the rates of reinfarction and serious ventricular tachyarrhythmias, and have substantial early benefits. However, the benefits of prolonged β-blockade after acute myocardial infarction are unproven and are discussed.
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Mukherjee, D., Eagle, K. Current role of β-blockers after MI in patients without HF. Nat Rev Cardiol 13, 699–700 (2016). https://doi.org/10.1038/nrcardio.2016.176
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DOI: https://doi.org/10.1038/nrcardio.2016.176