Posibleng Mga Sanhi para sa Wide QRS Complex Morbid Obesity Hyperkalemia Myocardial Infarction Malalang Myocardial Infarction Electrolyte Imbalance Pagka-overdose sa Opiate Paroxysmal Ventricular Tachycardia Nonsustained Ventricular Tachycardia Ventricular Tachycardia Third Degree Atrioventricular Block Fabry Disease Lyme Disease Hypokalemia Wolff-Parkinson-White Syndrome Glycogen Storage Disease Type 2 Right Bundle Branch Block Chagas Disease Lithium Pagkalantad sa Nerve Gas