Adrenergic beta-Antagonists
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AMD:CLASS:01001
Adrenergic beta-Antagonists
Latest published update: 30 Jul 2026Exam Points3
View all →Beta antagonists: classification
Nonselective agents block beta-1 and beta-2 receptors; cardioselective agents preferentially block beta-1; some agents have intrinsic sympathomimetic …
Beta antagonists: mechanism
Beta-1 blockade reduces heart rate, contractility, conduction and renin release.
Beta antagonists: adverse effects and precautions
Bradycardia, hypotension, fatigue, exercise intolerance and conduction block may occur.
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