7.Methods Myopotential interference tests were performed in 30 patients with CAS and 30 patients with UAS during right arm isotonic exercise,all leads were implanted via right subclavian vein.

• 方法 对导线均经右侧植入的 30例复合双极心房感知和 30例单极心房感知双腔起搏器的患者进行随访 ,活动右上臂 ,行上肢等张运动时肌电位的干扰试验。