Systematic Reviewhigh evidence
Extreme temperatures and out-of-hospital cardiac arrest: a systematic review and narrative synthesis.
Resuscitation·July 22, 2026·PMID 42486429
Why it mattersAs climate change intensifies temperature extremes, emergency physicians and cardiologists should recognize ambient temperature as a modifiable population-level risk factor for OHCA. Integrating environmental data into risk forecasting and EMS planning may improve preparedness and patient outcomes.
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