Complications
Complications were rare. In one case, the test pacing at 80 ppm, the patient felt uncomfortable. Arterial puncture happened in 2 cases, but do not need special intervention, including one hematoma of thorax caused by a subclavian arterial puncture. Ventricular ectopic beat and ventricular tachycardia are common when pacing catheter explores in the right ventricle chamber to achieve STEMI pattern. These will be resolved once the manipulation of the lead has ceased. Other complications, such as thromboembolism, infection, bleeding, were not reported.