<prompt> Beta-blockers are used in all of the following conditions except:-Essential tremorsAV blockAngina pectorisMigraine prophylaxis  <response>: Beta blockers are contra-indicated in AV block Beta-blockers are not given in AV blocks because they may precipitate and cause complete hea block USES OF BETA-BLOCKERS Cardiac due to Beta 1 blockade Extra cardiac due to Beta 2 blockade Hypeension PLAY : Performance anxiety , Pheochromocytoma after a blockade Classical angina The: Thyroid Hypehyroidism Myocardial infarction G: Glaucoma A: Akathisia, Alcohol and Opioid withdrawal M: Migraine prophylaxis Supraventricular arrhythmias E: Essential tremors Chronic CHF Hyperophic obstructive cardiomyopathy DOC 