The cause of fibrillation.
D001145:Arrhythmias, Cardiac; D053840:Brugada Syndrome; D000075224:Cardiac Conduction System Disease; D002318:Cardiovascular Diseases; D006329:Heart Conduction System; D006801:Humans; D014693:Ventricular Fibrillation / Q000209:etiology*
VENTRICULAR FIBRILLATION/etiology