<prompt> Beta-blockers are used in all of the following except: March 2005Essential tremorsAV blockAngina pectorisMigraine prophylaxis  <response>: 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 