• Steinar Einvik, Andreas Jorstad Kruger, and Sven Erik Gisvold.
• Department of Emergency Medicine and Prehospital Services, St. Olav's University Hospital, NO-7006, Trondheim, Norway. Steinar.einvik@stolav.no.
• Scand J Trauma Resus. 2020 Aug 20; 28 (1): 85.

BackgroundDrowning is the third leading cause of unintentional injury death worldwide, with the highest rates of fatality among young children. To decide how to treat these patients prehospitally could be challenging in certain situations when uncertain about the adequacy of the patent's circulation.Methods/Case ReportWe describe a 2 year old boy surviving a 15 min hypothermic submersion in a cold river. In spite of the presence of some vital signs, we decided to do full cardiopulmonary resuscitation to the hospital. The main reason was that we were uncertain about the adequacy of the spontaneous circulation, and the transport to hospital was fairly long. The patient suffered no obvious harm and the outcome was good.DiscussionWhat is regarded as adequate circulation when accidentally hypothermic between 24 and 250 C? A weak pulse was felt in the femoral artery with a rate of about 40-50 per minute. There were shallow, but regular respiration, and point of care ultrasound revealed a slightly dilated left ventricle and weak, but organised cardiac contractions. Despite these findings a decision was made to continue ventilations and chest compressions during helicopter transport to the University hospital.ConclusionIn an accidentally hypothermic pediatric submersion incident we decided to do full cardiopulmonary resuscitation to the hospital despite there were signs of circulation. We did no harm to the patient. Future guideline revisions should try to clarify how to handle situations with severly accidentally hypothermic patients like this, so the good outcome that is often seen in these patients could be even better.

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