This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Beta-blockers are used in all of the following except: March 2005 
Select and explain. 
A. Essential tremors, B. AV block, C. Angina pectoris, D. Migraine prophylaxis
B: AV block
Answer: B: AV block 
Explanation: Ans. B: AV Block Indications for beta blockers include: Angina pectoris Atrial fibrillation Cardiac arrhythmia Congestive hea failure Essential tremor Glaucoma Hypeension Migraine prophylaxis Mitral valve prolapse Myocardial infarction Phaeochromocytoma, in conjunction with alpha-blocker Symptomatic control (tachycardia, tremor) in anxiety and hypehyroidism Dissecting aneurysm Hyperophic obstructive cardiomyopathy Propranolol is contraindicated in paial and complete hea block: arrest may occur. Drugs used for AV block are: Atropine Sympathomimetics (Adrenaline, isoprenaline)