1. 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
   - beta blocker, beta-blocking agent, beta-adrenergic blocking agent

Derived forms: beta-adrenergic blockers

Type of: blocker, blocking agent

Encyclopedia: Beta-adrenergic blocker

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