Related Experiment Videos
Recognition of ST elevation by paramedics
1Resuscitation Service, Royal Hospital NHS Trust, London, UK.
Emergency Medicine Journal : EMJ
|January 5, 2002
Summary
UK paramedics can accurately recognize ST elevation using a 12-lead electrocardiogram (ECG). This finding suggests prehospital ECG interpretation by paramedics may not require radio transmission to alert hospitals.
Area of Science:
- Emergency Medicine
- Cardiology
- Paramedic Practice
Background:
- ST-segment elevation myocardial infarction (STEMI) requires rapid diagnosis and treatment.
- Prehospital electrocardiograms (ECGs) are crucial for timely STEMI identification.
- The diagnostic capabilities of paramedics in interpreting 12-lead ECGs in a prehospital setting require definition.
Purpose of the Study:
- To evaluate the ability of United Kingdom paramedics to accurately recognize ST-segment elevation on prehospital 12-lead ECGs.
- To compare paramedic ECG interpretation accuracy against a criterion standard.
Main Methods:
- Seven paramedics' diagnostic abilities were assessed 12 months post-training.
- A two-day training course on 12-lead ECG interpretation was provided.
- Cardiologist interpretation of 12-lead ECGs served as the criterion standard.
- Paramedic and A&E SHO diagnoses were compared for accuracy, sensitivity, specificity, PPV, and NPV.
Main Results:
- Paramedics achieved a median accuracy of 0.95 (95% CI 0.88–0.98).
- Sensitivity was 0.97 (95% CI 0.94–0.99) and specificity was 0.91 (95% CI 0.53–1.0).
- Positive Predictive Value (PPV) was 0.99 (95% CI 0.92–1.0) and Negative Predictive Value (NPV) was 0.77 (95% CI 0.62–0.92).
- Performance was not significantly different from experienced A&E SHOs.
Conclusions:
- UK paramedics demonstrate proficiency in recognizing ST elevation using 12-lead ECGs.
- Prehospital interpretation of 12-lead ECGs by paramedics is feasible and accurate.
- Radio transmission of ECGs may not be essential for pre-alerting hospitals.