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When Chronic Risk Meets Acute Strain: Sudden Cardiac Death and Cardiovascular Vulnerability in Firefighters
Ibrahim Mortada1, Ebrahim Adel Elkolaly2, Aaron W Lee3
1Department of Cardiovascular Medicine, University of Texas Medical Branch, Galveston, TX, USA.
Clinical Medicine Insights. Cardiology
|August 13, 2026
Summary
Sudden cardiac death in firefighters stems from underlying heart disease exacerbated by occupational stress. Early risk identification and management are crucial for reducing these risks.
Area of Science:
- Cardiology
- Occupational Health
- Epidemiology
Background:
- Cardiovascular disease is the primary cause of firefighter line-of-duty deaths.
- Sudden cardiac death (SCD) disproportionately occurs during demanding emergency operations.
Purpose of the Study:
- To review the interplay between occupational stressors and cardiovascular vulnerability in firefighters.
- To identify strategies for cardiovascular risk reduction in this population.
Main Methods:
- Narrative review integrating epidemiologic, mechanistic, and clinical data.
- Structured literature search of PubMed and Google Scholar for relevant studies.
Main Results:
- Most duty-related SCDs involve underlying coronary atherosclerosis.
- Firefighters have higher rates of hypertension, obesity, dyslipidemia, and metabolic syndrome than the general population.
- Emergency operations induce physiological stress that can trigger cardiac events.
Conclusions:
- SCD in firefighters results from the interaction of pre-existing cardiometabolic risk and acute occupational stress.
- Risk identification, guideline-based treatment, and managing occupational stressors are key for prevention.
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