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The Safeback SBX device can improve survival in an avalanche, but does not replace the need for appropriate education and knowledge regarding avalanche safety.
Source
Respiratory Gas Shifts to Delay Asphyxiation in Critical Avalanche Burial: A Randomized Clinical Trial. JAMA. 2025 Oct 8:e2516837. doi: 10.1001/jama.2025.16837. Epub ahead of print. PMID: 41060661; PMCID: PMC12509078.
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Although extreme heat events have become more frequent due to climate change, occupational heat-related illness remains preventable. Emergency physicians play a critical role in identifying at-risk patients, documenting exposures, and promoting prevention through education and advocacy.
Source
Occupational Heat-Related Illness. JAMA. 2025 Jul 15;334(3):267-268. doi: 10.1001/jama.2025.7629. PMID: 40531478
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A faster early rewarming rate of 3º per hour, when going from very cold to 33ºC, was associated with improved 28-day survival and favorable neurological outcome.
Source
Association Between Rewarming Rate and Survival and Neurologic Outcome of Accidental Hypothermia. Crit Care Med. 2025 Jul 1;53(7):e1416-e1425. doi: 10.1097/CCM.0000000000006712. Epub 2025 Jun 3. PMID: 40459372.
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Hyperbaric oxygen is a seldom-used but effective adjunct when specific indications are met. Here’s what you need to know.
Source
Hyperbaric Oxygen Therapy: An Evidence-Based Primer for Emergency Physicians. J Emerg Med. 2025 Mar;70:35-44. doi: 10.1016/j.jemermed.2024.09.009. Epub 2024 Oct 9. PMID: 39939188
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In this letter to the editor and reply, the goal of antivenom in crotalid envenomations is debated and clarified.
Sources
Letter to the editor re: Comparing the Use of Crotaline-Polyvalent Immune Fab (Ovine) Versus Observation in Children. Pediatr Emerg Care. 2024;40(11):e270-e276. Pediatr Emerg Care. 2025 Mar 20. doi: 10.1097/PEC.0000000000003373. Epub ahead of print. PMID: 40108879
Reply: Comparing the Use of Crotaline-Polyvalent Immune Fab (Ovine) Versus Observation in Children. Pediatr Emerg Care. 2025 Mar 20. doi: 10.1097/PEC.0000000000003380. Epub ahead of print. PMID: 40111158
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Multi-setting air purification in the home and at school improves pulmonary function and reduces markers of airway inflammation in children.
Source
Respiratory Benefits of Multisetting Air Purification in Children: A Cluster Randomized Crossover Trial. JAMA Pediatr. 2025 Feb 1;179(2):122-128. doi: 10.1001/jamapediatrics.2024.5049. PMID: 39621320
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Microplastics and nanoplastics are ubiquitous in the environment; their presence is potentially linked to numerous adverse health outcomes in children.
Source
The Risk from Widespread Micro- and Nano-Plastic Contamination on a Global Scale and the Threat to Children’s Health. J Pediatr. 2025 Feb 15:114512. doi: 10.1016/j.jpeds.2025.114512. Epub ahead of print. PMID: 39961376
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Cold-water immersion is recognized as the fastest way to cool patients with heat stroke. Here’s how to do it in your ED.
Source
Heat Stroke Management Updates: A Description of the Development of a Novel In-Emergency Department Cold-Water Immersion Protocol and Guide for Implementation. Ann Emerg Med. 2025 Jan;85(1):43-52. doi: 10.1016/j.annemergmed.2024.07.013. Epub 2024 Sep 24. PMID: 39320280
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The Wilderness Medical Society (WMS) published updated guidelines on high-altitude illnesses, acute mountain sickness (AMS), high-altitude cerebral edema (HACE), and high-altitude pulmonary edema (HAPE). Primary prevention for all is gradual ascent; chemoprophylaxis in higher-risk individuals for AMS and HACE is acetazolamide and for HAPE, extended-release nifedipine.
Source
Prevention, Diagnosis, and Treatment of Acute Altitude Illness. JAMA. 2024 Nov 19;332(19):1665-1666. doi: 10.1001/jama.2024.19562. PMID: 39446318
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This is everything you need to know about first aid from the AHA guidelines, last updated in 2010.
Source
American Heart Association and American Red Cross. 2024 American Heart Association and American Red Cross Guidelines for First Aid. Circulation. 2024 Nov 14. doi: 10.1161/CIR.0000000000001281. Epub ahead of print. PMID: 39540278.