Patients with AF were classified by group A(25 patients),3 of which coexisted with atrioventricular nodal reentrant tachycardia(AVNRT),4 with atrioventricular reentrant tachycardia(AVRT) and 10 with paroxysmal atrial tachycardia(PAT).

• 其中A组同时合并房室结折返性心动过速(AVNRT)3例,房室折返性心动过速(AVRT)4例,阵发性房性心动过速(PAT)10例;