beta blocker

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beta blocker

[′bād·ə¦bläk·ər]
(neuroscience)
An adrenergic blocking agent capable of blocking nerve impulses to special sites (beta receptors) in the cerebellum; reduces the rate of heartbeats and the force of heart contractions.
References in periodicals archive ?
It showed the patient to be an extensive metabolizer of beta blocking agents, with both alleles of the wild type, so poor metabolism and abnormal pharmacokinetics could not explain the occurrence of hyperkalemia in this patient.