Why the study?
Does intraoperative TEE predict myocardial infarction better than ECG?
Does intraoperative TEE predict myocardial infarction better than ECG?
Intraoperative TEE is more sensitive and twice as predictive as ECG for identifying patients who develop myocardial infarction.
TEE may aid intraoperative MI detection over ECG; leaves open need for RCTs before practice change.
Wall-motion abnormalities detected by TEE are more common than S-T segment changes detected by ECG, and concordance between the two modalities is low. One half of patients with MI had preceding ECG or TEE ischemia. Logistic regression revealed that TEE is twice as predictive as ECG in identifying patients who have MI.
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Comunale et al. (1998) studied this question.
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