Understanding AVNRT (Atrioventricular Nodal Reentrant Tachycardia)
AVNRT Symptoms AVNRT is a reentrant tachycardia. This causes rapid and irregular heartbeats. The heart rate ranges between 140 and 180 during the episode. Mintr / Getty Images AVNRT Subtypes Diagnosis of AVNRT will include the subtype of AVNRT you experience. It accounts for 80% to 84% of AVNRT episodes in the general population. The other subtypes are called slow-slow and fast-slow. These atypical types may require different treatment approaches....