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Beta blockers after an acute myocardial infarction appear to reduce 30 day mortality. Discontinuation of beta blockers at one year in patients without heart failure or left ventricular dysfunction appears safe. Comment: In patients without heart failure or left ventricular dysfunction, the early use of beta blockers appears to decrease mortality, but prolonged use after 1 year appears unlikely to improve long-term survival. BMJ. 2016 Sep 20;354:i4801    (retrieved Sep, 2016). There are currently 1090 pearls in the database. While every attempt has been made to ensure accuracy, mistakes can and do occur. Use databank at your own risk. All pearls © 2024 by the Internet Medical Association. Click Here to view more medical pearls.