text: <unk>  tachycardia is a collective term used to describe all the tachycardias originating from the SA node, atrium and AV node.  Therefore, the causes depend on the source of the pathology, and they are as follows:
option_0: Supraventricular tachycardia causes
option_1: Sinoatrial arrest causes
option_2: Inappropriate sinus tachycardia causes
option_3: Left bundle branch block causes
option_4: Third degree AV block causes
option_5: Sinus tachycardia causes
option_6: Atrial flutter causes
option_7: Wide complex tachycardia causes