Schmidinger H, Probst P, Weber H, Kaliman J
Department of Cardiology, University of Vienna, Austria.
Pacing Clin Electrophysiol. 1988 Jul;11(7):1095-7. doi: 10.1111/j.1540-8159.1988.tb03956.x.
Following His bundle ablation and implantation of a rate adaptive pacemaker (Vitatron TX 911) a 52-year-old gentleman experienced several presyncopal attacks while driving a car. On examination pectoralis muscle contraction caused temporary pacemaker inhibition. Incremental overdrive stimulation demonstrated progressive depression idioventricular automaticity and was associated with similar symptoms following overdrive at high pacing rates. Following appropriate pacemaker programming the patient remained symptom free.
在进行希氏束消融并植入频率适应性起搏器（Vitatron TX 911）后，一名52岁男性在驾车时经历了几次晕厥前发作。检查发现胸肌收缩会导致起搏器暂时抑制。递增性超速刺激显示室性自主节律逐渐抑制，且在高起搏频率超速刺激后出现类似症状。经过适当的起搏器程控后，患者症状消失。
