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Beta-adrenergic blocking agent
/bˈiːtəɹɐdɹɪnˈɜːdʒɪk blˈɒkɪŋ ˈeɪdʒənt/
/bˈeɪɾəɐdɹɪnˈɜːdʒɪk blˈɑːkɪŋ ˈeɪdʒənt/Beta-adrenergic blocking agent
01
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
