How does labetalol affect heart rate and what are the clinical implications of its effects on bradycardia or tachycardia?
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How does labetalol affect heart rate and what are the clinical implications of its effects on bradycardia or tachycardia?
Labetalol lowers heart rate by blocking beta receptors, which slows down the heartbeat. This is beneficial in treating tachycardia but could exacerbate bradycardia.