Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors
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To determine the prevalence and significance of ST-segment elevation resolution between prehospital and first hospital ECG. ⋯ We found that ST-segment resolution occurred prior to catheterization in 1 of 5 patients with prehospital STEMI, emphasizing the necessity of prehospital ECG in risk stratification of patients with suspected coronary disease. Coronary lesions and intervention rates did not differ between STR and non-STR, suggesting that catheterization is warranted even when STEMI criteria are no longer met in-hospital.