Reportedly, during the follow-up performed on (b)(6) 2019, messages stating that the shock impedance was low and the defibrillation system was potentially infective and that the maximum shock energy was ineffective were displayed.In addition, the impedances curves were abnormal.It was observed that an arrhythmic storm occurred on (b)(6) 2019, but the shocks could not be delivered due to overload.It is suspected that the ventricular tachycardia was stopped by the shock delivery.However, as the signal was not saturated after the shock, the physician doubted the shock effectiveness.
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