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Another myocardial wall is sacrificed at the altar of the STEMI/NonSTEMI mass delusion (and Opiate pain relief).

Dr. Smith's ECG Blog

Cath lab declined as it is not a STEMI." And now this finding is even formally endorsed as a "STEMI equivalent" in the 2022 ACC guidelines!!! Another myocardial wall is sacrificed at the altar of the STEMI/NonSTEMI mindset. Academic Emergency Medicine 27(S1): S220; May 2020. Cath attending is aware. It is a mass delusion.

STEMI 96
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Three patients with chest pain and “normal” ECGs: which had OMI? Which were normal? And how did the Queen of Hearts perform?

Dr. Smith's ECG Blog

We also studied 7 years of Code STEMI patients requiring emergent reperfusion, and found that 4% presented with an ECG labeled ‘normal’, often confirmed by the final blinded interpretation. This was just published in print in this month's Academic Emergency Medicine: McLaren, Meyers, Smith and Chartier.

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50 yo with V fib has ROSC, then these 2 successive ECGs: what is the infarct artery?

Dr. Smith's ECG Blog

This certainly looks like an anterior STEMI (proximal LAD occlusion), with STE and hyperacute T-waves (HATW) in V2-V6 and I and aVL. How do you explain the anterior STEMI(+)OMI immediately after ROSC evolving into posterior OMI 30 minutes later? This caused a type 2 anterior STEMI.

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Anterior OMI. What does the angiogram show?

Dr. Smith's ECG Blog

This was a machine read STEMI positive OMI. The meaning of this quote is that at times, something as obvious as the dramatic anterior lead ST elevation that we see in today's tracing is not the result of an acute LAD STEMI. His ECG is shown below. Pretty obvious anterior current of injury. What would you guess is the culprit artery?

STEMI 119
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The Expert Witness re-visits a chest pain Malpractice case using the Queen of Hearts

Dr. Smith's ECG Blog

See this post: Septal STEMI with ST elevation in V1 and V4R, and reciprocal ST depression in V5, V6. After being transferred to an academic center, she was taken to the cath lab: Proximal RCA occlusion (causing inferior and RV OMI) Unfortunately, she continued to decline despite aggressive measures. Also seen in inferior + RV OMI.)

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A man in his 40s with acute chest pain. What do you think?

Dr. Smith's ECG Blog

In the available view of the sinus rhythm, we see normal variant STE which probably meets STEMI criteria in V4 and V5. In other words, the inferior "ST elevation" is due to the abnormal rhythm, and does not signify OMI or STEMI in any way. This situation has been named "Emery phenomenon." YOU TOO CAN HAVE THE PM Cardio AI BOT!!

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Occlusion myocardial infarction is a clinical diagnosis

Dr. Smith's ECG Blog

Recall from this post referencing this study that "reciprocal STD in aVL is highly sensitive for inferior OMI (far better than STEMI criteria) and excludes pericarditis, but is not specific for OMI." Immediate versus delayed invasive intervention for non-stemi patients. Academic Emergency Medicine 27(S1): S220; May 2020.