Noun lopressor has 1 sense
  1. metoprolol, Lopressor - beta blocker (trade name Lopressor) used in treating hypertension and angina and arrhythmia and acute myocardial infarction; has adverse side effects (depression and exacerbation of congestive heart failure etc.)
    --1 is a kind of beta blocker, beta-adrenergic blocker, beta-adrenergic blocking agent
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