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Age-Dependent Geographic Convergence of Overdose and Cardiovascular Emergency Medical Services Calls: A Spatial Point
Jeffrey Pesarsick1, Ruchi Bhandari1, Evonne Richards2
1West Virginia University, Epidemiology and Biostatistics, Morgantown, West Virginia.
Preventing Chronic Disease
|July 30, 2026
Summary
Cardiac emergency medical services (EMS) activations differ by age, with younger adults experiencing more cardiovascular events in areas with high suspected overdose activity. This highlights the need for targeted public health interventions to prevent early-onset cardiovascular disease.
Area of Science:
- Public Health
- Epidemiology
- Emergency Medical Services Research
Background:
- Overdose and cardiovascular disease are leading causes for emergency medical services (EMS) activation.
- Understanding age-specific patterns in cardiac EMS activations is crucial for public health strategies.
Purpose of the Study:
- To identify differential patterns in cardiac EMS activations by age.
- To explore the influence of suspected overdose activity on these age-related differences.
Main Methods:
- Utilized emsCharts data from Washington County, Pennsylvania (2017-2023).
- Employed Poisson point process model (PPM) regression analyses.
- Examined cardiac EMS activations as a function of age and suspected overdose, adjusting for population density.
Main Results:
- Significant differences in cardiac EMS activations were found between adults aged 18-45 and those older than 45.
- Cardiac EMS activations increased with population size.
- Suspected overdose activity significantly modified age-dependent cardiac EMS activations, particularly in younger adults.
Conclusions:
- Community cardiac emergencies vary by age, with younger adults showing higher rates in high-suspected overdose areas.
- This age-specific pattern is critical for developing targeted public health interventions.
- Interventions should aim to reduce early-onset cardiovascular disease and mortality.
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