How does labetalol influence heart rate variability and what are the implications for its use in cardiac and autonomic nervous system disorders?
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How does labetalol influence heart rate variability and what are the implications for its use in cardiac and autonomic nervous system disorders?
Labetalol, a beta-blocker, reduces heart rate variability (HRV) by blocking beta-adrenergic receptors, which could stabilize heart rhythms but may mask arrhythmia symptoms in certain disorders.