It was reported that on (b)(6) 2018, during a crt implant procedure, two catheters were bent, damaged and not used.When the third catheter was inserted to find the coronary sinus, the left ventricular lead was difficult to fix.Due to the special condition of the patient, pacing is required.The physician tried to use dual chamber pacemaker, but the atrial lead and the ventricular lead were difficult to reach the proper position.The physician will use epicardial lead in the next week.No adverse consequences reported on the patient.
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