ImageTrend Short Report: How EMS Responds to Cardiac Emergencies

Two emergency medical workers attend to a patient using resuscitation equipment and monitoring devices inside an ambulance.

By Macall Leslie Salewon, MPH, Epidemiologist

Background

Out-of-hospital cardiac arrests (OHCA) are some of the most urgent and challenging calls EMS teams face, and the statistics reveal just how high the stakes are. With fewer than 1 in 10 patients surviving to hospital discharge, rapid evidence-based response is key.1 This month’s report breaks down the data from over 250,000 OHCA cases, uncovering trends that can shape better preparation and response. 

Inside the Report

Get an inside look at how EMS teams respond to OHCA emergencies. Explore who is most at risk, what gender differences present in age and cause of OHCA, and how often automated CPR units are being used in the field. The report also examines prehospital outcomes and transport patterns, giving vital insights into how EMS crews navigate these critical incidents. 

Download the full report for the trends, insights, and takeaways your team can use to save lives in OHCA emergencies. 

 

1Martin S, et al. American Heart Association Council on Epidemiology and Prevention Statistics Committee and Stroke Statistics Committee (2025). 2025 Heart Disease and Stroke Statistics: A Report of US and Global Data From the American Heart Association. Circulation, 151(8), e41–e660. https://doi.org/10.1161/CIR.0000000000001303 

See the Full Report

Infographic summarizing a 2026 report on 911 responses for out-of-hospital cardiac arrest, showing data on patient age, gender, and response characteristics with blue and orange highlights.

Download this PDF

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