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Diff Dx of V Tach

SVT vs VT Ischemia: MI/Angina Hypoxia Hypovolemia Valvular Heart Dz: Mitral Stenosis: Acidemia Cardiomyopathy, CHF Ventricular Aneurysm Electrolytes (HypoK, HypoMg, HypoCa) Meds: Digoxin Quinidine Procainamide Disopyramide Amiodarone Phenothiazine Tricyclics - each of these drugs will prolong QT interval, and may produce a type of V.Tach (Torades de Pointes)