A 48-year-old man suddenly suffered a cardiac arrest at the supermarket and underwent bystander cardiopulmonary resuscitation. During transportation to our emergency center, ventricular fibrillation occurred and defibrillation was successful. Restoration of spontaneous circulation (ROSC) with sinus rhythm occurred 12 min after sudden cardiac arrest. On arrival at the emergency center 2 min after ROSC, middle latency auditory evoked potential index (MLAEPi) was measured and MLAEPi monitoring was continued to post-resuscitation care with induced therapeutic hypothermia (TH). This case highlights the usefulness of MLAEPi monitoring during primary care in the emergency center and postresuscitation care, including TH, for predicting neurological outcome.
Key words: resuscitation, cardiopulmonary arrest, monitoring, prognosis