During transport, patient was noted to have a small run of v-tach before going into sustained v-tach with a pulse.Patient initially remained gcs 15 and answering questions, but began to deteriorate.Monitor was synchronized with r-waves and charged to 200j.Unable to deliver synchronized cardioversion due to monitor malfunction.Pads were applied and the monitor was successfully synchronized with the qrs complexes.Monites was charged to 200j and the shock button was pressed.The monitor gave an error (synchronization error, defibrillator disarmed).And disarmed automatically.Process was repeated and error occurred again.Patient lost pulses, manual chest compressions started.Oxygen administered via non-rebreather.Epinephrine administered iv.Unsynchronized defibrillation administered at 200j and compressions resumed.Upon subsequent rhythm check, patient was noted to have return of spontaneous circulation.Fda safety report id # (b)(4).
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