Remove Electrocardiogram Remove STEMI Remove Stent
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See OMI vs. STEMI philosophy in action

Dr. Smith's ECG Blog

Smith , d and Muzaffer Değertekin a DIFOCCULT: DIagnostic accuracy oF electrocardiogram for acute coronary OCClUsion resuLTing in myocardial infarction. His first electrocardiogram ( ECG) is given below: --Sinus bradycardia. The lesion was successfully stented. As he seemed very agitated, fentanyl and diazepam were given.

STEMI 52
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Is OMI an ECG Diagnosis?

Dr. Smith's ECG Blog

Written by Jesse McLaren A 70 year old with prior MIs and stents to LAD and RCA presented to the emergency department with 2 weeks of increasing exertional chest pain radiating to the left arm, associated with nausea. I sent this to the Queen of Hearts So the ECG is both STEMI negative and has no subtle diagnostic signs of occlusion.

STEMI 121
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50-year old with chest pain, “no ischemic changes”

Dr. Smith's ECG Blog

But because there was no new ST elevation, the ECG was signed off as “STEMI negative” and the patient waited to be seen. But the ECG still doesn’t meet STEMI criteria. It was therefore interpreted as “no STEMI” and the patient was treated with dual anti-platelets and referred to cardiology as “NSTEMI.” the cardiologist 5.

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A man in his early 40s with chest pain a "normal ECG" by computer algorithm. Should we avoid interrupting a physician to interpret his ECG?

Dr. Smith's ECG Blog

Notice on the right side of the image how the algorithm correctly measures STE sufficient in V1 and V2 to meet STEMI criteria in a man older than age 40. As most would agree, this ECG shows highly specific findings of anterolateral OMI, even with STEMI criteria in this case. Thus, this is obvious STEMI(+) OMI until proven otherwise.

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A man in his 70s with acute chest pain and paced rhythm.

Dr. Smith's ECG Blog

Code STEMI was activated by the ED physician based on the diagnostic ECG for LAD OMI in ventricular paced rhythm. This was several months after the 2022 ACC Guidelines adding modified Sgarbossa criteria as a STEMI equivalent in ventricular paced rhythm). LAFB, atrial flutter, anterolateral STEMI(+) OMI. Limkakeng AT.

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Should Emergency Physicians be interrupted by ECGs that are read as "Normal" by the computer?

Dr. Smith's ECG Blog

This is diagnostic of inferior MI, though does not meet millimeter criteria for "STEMI." He was worried for inferior MI and ordered another, which was recorded 15 minutes later: Now clearly and obviously diagnostic of inferior STEMI. He was found to have a 100% circumflex lesion for which a bare metal stent was placed.

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Chest pain and shock: Is there a right ventricular OMI on this ECG? And should he undergo trancutaneous pacing?

Dr. Smith's ECG Blog

There is an obvious inferior posterior STEMI(+) OMI. Angiogram: Culprit Lesion (s): Thrombotic occlusion of the proximal RCA -- stented. Results Of 149 patients with inferior STEMI , 43 (29%) had RVMI and 106 (71%) did not. A 12-lead electrocardiogram, lead V4R , and leads V7-9 were recorded on admission.