Tachycardia [Disease/Finding] Tachycardia, Reciprocating [Disease/Finding] M0021003 D054139 Reciprocating Tachycardia Reciprocal Tachycardia 1001963 CMSHM0021003 Tachycardia, Reciprocal C0242514 Tachycardia, Reciprocating N0000181076 Tachycardia, Reciprocating Abnormally rapid heartbeats caused by reentrant conduction over the accessory pathways between the HEART ATRIA and the HEART VENTRICLES. The impulse can also travel in the reverse direction, as in some cases, atrial impulses travel to the ventricles over the accessory pathways and back to the atria over the BUNDLE OF HIS and the ATRIOVENTRICULAR NODE.