beta blocker beta-blocking agent beta-adrenergic blocker beta-adrenergic blocking agent
beta_blocker%1:06:00:: beta-blocking_agent%1:06:00:: beta-adrenergic_blocker%1:06:00:: beta-adrenergic_blocking_agent%1:06:00::
any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system