It was reported during an afib - paroxysmal that error 8 appeared on the carto3 system when the ablation catheter was connected, the signal noise occurred on all the channels, including the 12 leads of bs ecgs and all ic (intracardiac) recordings on both carto and ep recording systems at the same time and a red light on ecg card # 3 on back of piu.The physician did not have at least one signal available to monitor patient heart rhythm.The customer exchanged the ablation cable and rebooted the piu without resolution (when the cable was disconnected the noise resolved).Advised a full system reboot without catheters connected, the system fully initialized when a new study was started, error 8 did not return.Advised reconnecting ecg cable, connecting a new map cable (only reprocessed available), and connecting a new map catheter.Error 8 did not return and signals were clean on both carto and ep recording systems.The case was completed without any patient consequence.This event initially reported under the carto system with report # 3008203003-2014-00044.However, after investigation on (b)(4) 2014, biosense webster engineering confirmed that once a new mapping catheter was connected to the system, error 8 did not return, and signals became clean on both systems carto 3 and ep recording systems.The system is ready for use.The issue was related to defective mapping catheter.Multiple attempts have been made to obtain clarification to mapping catheter information.However, no further information has been made available.
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