# Myocardial infarction (heart attack) at United States Department of Agriculture Forest Service
> OSHA SIR `2022043321` · 4/17/2022 · SAINT CROIX, INDIANA
## Severity
- **1 hospitalization**
- **Body part:** Heart
- **Nature of injury:** Myocardial infarction (heart attack)
## Cause
- **Event:** Multiple types of overexertion involving outside sources
- **Source:** Tools, instruments, and equipment, unspecified
- **Secondary source:** Fire, flame
## Employer
- **Name:** United States Department of Agriculture Forest Service
- **Location:** 20230 Indian Lake Access Road, SAINT CROIX, INDIANA, 47576
- **NAICS:** 115310
- **Jurisdiction:** 0
## Narrative

An employee had a heart attack after fighting a controlled forest fire.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*