# Myocardial infarction (heart attack) at Intermountain Gas Company, Inc.
> OSHA SIR `2021086421` · 8/2/2021 · BOISE, IDAHO
## Severity
- **1 hospitalization**
- **Body part:** Heart
- **Nature of injury:** Myocardial infarction (heart attack)
## Cause
- **Event:** Multiple types of overexertion involving outside sources
- **Source:** Shovels
- **Secondary source:** Heat-environmental
## Employer
- **Name:** Intermountain Gas Company, Inc.
- **Location:** 10924 W Halstad Ct, BOISE, IDAHO, 83713
- **NAICS:** 221210
- **Jurisdiction:** 1
## Narrative

An employee was repairing a natural gas line leak on an extreme heat day (which entailed using a hand shovel to dig two 19- to 20-inch holes in packed soil: one hole to expose the gas line to stop the flow of gas and one to make the repair). 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*