Question: My radiologist documented in the impression paroxysmal supraventricular tachycardia. How should I report this condition? Missouri Subscriber Answer: You should report I47.1 (Supraventricular tachycardia) for this condition. Supraventricular tachycardia refers to a faster than normal heart rate that originates in the atria or the atrioventricular node. Paroxysmal means the rapid heart rate happens occasionally. Included conditions for I47.1 include: