本例为慢室率心房颤动反复晕厥的老年患者 ,心率为 80次 /min左右。应考虑为病窦双结病变 ,故不宜转复。患者所发生的心脏停搏显然是由于心律平过量所致。作为经验教训应引起临床医生的高度重视 This case is an elderly patient with slow ventricular rate of atrial fibrillation recurrent syncope, heart rate was 80 beats / min. Should be considered for the sick sinus double knot disease, it is not appropriate to resume. Cardiac arrest occurred in patients apparently due to excessive heart rate. As a lesson learned, clinicians should attach great importance