# Myocardial infarction (heart attack) at U.S. Customs & Border Protection
> OSHA SIR `2020087327` · 8/4/2020 · CALEXICO, CALIFORNIA
## Severity
- **1 hospitalization**
- **Body part:** Heart
- **Nature of injury:** Myocardial infarction (heart attack)
## Cause
- **Event:** Exposure to environmental heat
- **Source:** Heat-environmental
## Employer
- **Name:** U.S. Customs & Border Protection
- **Location:** 1699 E. Carr Road, CALEXICO, CALIFORNIA, 92231
- **NAICS:** 928110
- **Jurisdiction:** 0
## Narrative

On August 4, 2020, at approximately 4:20 PM, an employee was walking outside between work stations in extreme heat. The employee had his duty gear on and was carrying a backpack with first responder gear when he collapsed. The employee had a heart attack and was hospitalized.

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