New first aid guidelines from the American Heart Association (AHA) and the American Red Cross published in Circulation expand the scope of emergency care conditions addressed and provide greater specificity for first aid action steps. It is the first major update since 2010. Key topics that are new, substantially revised, or have significantly updated literature include: opioid overdose; bleeding control; open chest wounds; spinal motion restriction; hypothermia and frostbite; presyncope; anaphylaxis, snakebite; oxygen administration; and …
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