Anatomy Plaque STEMI 
Dr. Smith's ECG Blog
APRIL 22, 2024
Patient still not having chest pain however this is more concerning for OMI/STEMI. Wellens' syndrome is a syndrome of Transient OMI (old terminology would be transient STEMI). As far as I can tell, there is only one randomized trial of immediate vs. delayed intervention for transient STEMI. Labs ordered but not yet drawn.
Dr. S. Venkatesan MD
JANUARY 14, 2024
Will evolve into STEMI by prothrombotic trigger of lytic agent ECG will get normalised with clinical stability in some Nothing happens. Majority of Wellens end up as NSTEMI, statistics tells us about 20% of them can be STEMI in incognito mode demanding lysis or emergency PCI. ECG will remain same. How to manage Wellen syndrome?
Dr. Smith's ECG Blog
MARCH 22, 2024
This is documented as a STEMI in the clinical notes and in the cath report, but certainly does not meet STEMI criteria and is therefore an NSTEMI by definition. For national registry purposes, this will be incorrectly classified as a STEMI.) Most STEMI have peak cTnI greater than 10.0. Large STEMI are approximately 30-80.
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
This has been termed a “STEMI equivalent” and included in STEMI guidelines, suggesting this patient should receive dual anti-platelets, heparin and immediate cath lab activation–or thrombolysis in centres where cath lab is not available. aVR ST segment elevation: acute STEMI or not? aVR ST Segment Elevation: Acute STEMI or Not?
Dr. Smith's ECG Blog
JANUARY 9, 2023
50% of LAD STEMIs do not have reciprocal findings in inferior leads, and many LAD OMIs instead have STE and/or HATWs in inferior leads instead. The ECG easily meets STEMI criteria in all leads V2-V6, as well. 24 yo woman with chest pain: Is this STEMI? This is not "diffuse", this is simply anterior, lateral, and likely apical.
Dr. Smith's ECG Blog
MARCH 17, 2025
First in slow motion with a freeze frame with annotated vessel anatomy, then at normal speed. Nevertheless, the operator performed intravascular ultrasound and saw erupted calcium nodule consistent with plaque erosion. Limitations of registry data: This patient presented with STEMI (-) OMI and developed STEMI the following day.
Dr. Smith's ECG Blog
MARCH 1, 2025
Note: the 2022 ACC Expert consensus Chest pain guidelines state that "posterior STEMI-Equivalent" is a sign of acute coronary occlusion. 2/3 of STEMI have a peak 4th generation troponin I greater than 10.0 Comment: The first ECG is diagnostic of OMI that does not meet STEMI criteria. NSTEMI-OMI").
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