Five new papers today — here are the top four. Paper one — serious opioid adverse effects in children given prehospital fentanyl are rare, but most kids arrive at hospital still in pain. Paper two — a new framework for traumatic cardiac arrest built around running the priorities in parallel. Paper three — as prehospital blood transfusion grows in the United States, researchers forecast a rare but real risk of haemolytic disease in newborns. Paper four — a programme that has first responders notify schools after a child's traumatic event shows early promise. Paper one — the Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. A retrospective register-based cohort — one thousand five hundred and thirty-one children aged up to fourteen who received prehospital opioids in Denmark between twenty seventeen and twenty twenty-two. Nearly all of them got fentanyl, and ninety-seven percent were dosed within the recommended range. Serious adverse signs were uncommon — bradycardia and respiratory depression at zero point seven percent each, and no child needed an opioid antidote. Overall, fifteen percent showed at least one sign compatible with opioid effects, mostly nausea and drowsiness. The number that jumps out at me is at the other end — nearly sixty-four percent of the children were still documented as being in pain at hospital arrival, and half received further analgesia once inside. The caveat: it's a retrospective record review, so those nonspecific signs can't be firmly pinned on the opioid. The takeaway for crews — the safety data supports treating paediatric pain properly, and the bigger risk in this dataset is undertreatment, not overdose. Paper two — Resuscitation Plus. The CARE framework for traumatic cardiac arrest — a consensus-style paper on integrating the parallel priorities of a trauma arrest rather than working through them in sequence. There's no abstract available yet, so there are no results to weigh — treat this one as context for now. It also comes out of a physician-staffed European system, so how it maps onto crew-based models here in Australia is an open question. Worth a proper look once the full paper lands. Paper three — Transfusion. A forecasting model from the United States. As prehospital transfusion expands, researchers project how many females of childbearing potential will receive RhD-positive blood — seven hundred and seventy-nine by twenty twenty-nine — and what that means for haemolytic disease of the fetus and newborn. Their estimate: one case somewhere between every six months and every twenty years, depending on region and model. Prehospital blood is still limited to a few Australian services, so this informs the debate more than today's practice — but it's the kind of downstream risk services will weigh as programmes expand. Keep in mind it's a forecast built on assumptions — no cases were actually observed. Paper four — the Journal of Child and Adolescent Trauma. A mixed-methods evaluation of the first year of Handle With Care, a programme linking first responders with schools after a child experiences a potentially traumatic event — seventy-five school staff and sixty-four first responders across one Mississippi district. School staff showed significant gains in trauma-informed attitudes, and the more training first responders received, the lower their reported burnout. Notification volume was low in year one, though, and the student-level outcomes were mixed. It's a police, fire and ambulance notification model that doesn't map directly onto Australian practice, but the trauma-informed training findings travel. Quick recap. One — paediatric prehospital fentanyl looks safe, with serious adverse signs under one percent, but most children arrive still in pain. Two — a new CARE framework for traumatic cardiac arrest, with details still to come. Three — growing prehospital transfusion in the US is forecast to produce a case of haemolytic disease somewhere between every six months and every twenty years. Four — a first-responder-to-school notification programme had a feasible first year, with better staff attitudes and lower burnout where training ran deepest. Also on the dashboard today — layperson CPR with a pocket mask versus a face shield. That's the roundup for Saturday the seventh of November. Back tomorrow.