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Written by Jesse McLaren, with a very few edits by Smith A 60-year-old presented with chestpain. The ECG did not meet STEMI criteria, and the final cardiology interpretation was “ST and T wave abnormality, consider anterior ischemia”. Ann Noninvasive Electrocardiol 2010 7. But are there any other signs of Occlusion MI?
Traditional methods of non-invasive ischemia testing (stress EKG , stress echo, SPECT , PET , direct-to-cath) can result in false negatives 20-30 percent of the time, which can lead to undetected disease, and false positives over 50 percent of the time, which can lead to unnecessary invasive procedures. NEJM 2010. Yokota, et al.
No chestpain. Figure-1: The initial ECG in today's case — obtained from an 86-year old man with presyncope, but no chestpain. ( The other main consideration — is to take another look at the 12-lead ECG, and assess this for recent ischemia or infarction. How would YOU interpret the ECG in Figure-1 ?
We knew only that the ECG belonged to a man in his 50s with chestpain and normal vitals. The day prior to presentation (about 12 hours prior to presentation) he described sudden onset chestpain and shortness of breath while gardening in his back yard. He had no further pain and went to bed that night with no complaints.
Check : [vitals, SOB, ChestPain, Ultrasound] If the patient has Abdominal Pain, ChestPain, Dyspnea or Hypoxemia, Headache, Hypotension , then these should be considered the primary chief complaint (not syncope). Evidence of acute ischemia (may be subtle) vii. Left BBB vi. Pathologic Q-waves viii.
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