Atrial Tachyarrhythmia with Short Pr Interval, also known as lown-ganong-levine syndrome, is related to wolff-parkinson-white syndrome and progressive familial heart block, type ia. An important gene associated with Atrial Tachyarrhythmia with Short Pr Interval is ZSCAN20 (Zinc Finger And SCAN Domain Containing 20). Affiliated tissues include heart and t cells, and related phenotypes are paroxysmal atrial fibrillation and paroxysmal atrial tachycardia