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Waterloo Paramedics Achieve Zero Code Zero Events
9 Sep
Summary
- No ambulance 'Code Zero' events occurred in the first six months of 2026.
- Paramedic response to cardiac arrest calls improved by five seconds.
- Call volumes increased by 7.3%, with Elmira seeing the fastest growth.

Region of Waterloo paramedics have achieved a significant milestone, reporting no 'Code Zero' events during the first six months of 2026. This indicates that an ambulance was consistently available for all calls, a marked improvement from previous years where 'Code Zero' events were common. The implementation of the province-wide Medical Priority Dispatch System is credited with enhancing resource allocation for critical patients.
Further improvements include a five-second reduction in response times for sudden cardiac arrest calls. While CTAS 1 calls saw a 17-second faster response, CTAS 2 calls experienced a 59-second increase, primarily due to non-emergency dispatches. Paramedic services are also managing a 7.3% rise in call volumes, with Elmira showing the fastest growth, leading to considerations for a new 'post location' ambulance strategy in that area.
The rise in demand is partly attributed to individuals seeking emergency services when other healthcare options are unavailable. This increase necessitates strategic planning, such as potentially stationing ambulances in high-demand areas like Elmira to better manage resources and ensure timely responses.