# Myocardial infarction (heart attack) at Schwarz Ready Mix
> OSHA SIR `20171211637` · 12/7/2017 · YUKON, OKLAHOMA
## Severity
- **1 hospitalization**
- **Body part:** BODY SYSTEMS
- **Nature of injury:** Myocardial infarction (heart attack)
## Cause
- **Event:** Overexertion and bodily reaction, unspecified
- **Source:** Bodily conditions of injured, ill worker
## Employer
- **Name:** Schwarz Ready Mix
- **Location:** 12030 Mustang Rd, YUKON, OKLAHOMA, 73099
- **NAICS:** 237310
- **Jurisdiction:** 1
## Narrative

An employee was driving a concrete mixer. He exited the truck and fell due to an apparent heart attack.

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