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How cardiogenic shock in NSTEMI is different from STEMI?

Dr. S. Venkatesan MD

Cardiogenic shock (CS)is the most feared event following STEMI. We tend to perceive CS as an exclusive complication of STEMI. The incidence is half of that of STEMI, i.e., 2.5-5%. might show little elevation with considerable overlap of left main STEMI vs NSTEMI ) 2.Onset ACS pathophysiology is not that simple.

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How much time are you willing to wait for OMI to become STEMI (if it ever does)?

Dr. Smith's ECG Blog

Furthermore, the term "STEMI equivalent" has no reliable or definable meaning except between two practitioners who both agree on the list of entities that they believe are STEMI equivalents and can agree on how to identify it. Obvious inferoposterior STEMI. J ACC 61(4):e78-140; page e83.

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ECG Blog #415 — The Cath showed NO Occlusion!

Ken Grauer, MD

Despite the absence of significant coronary stenosis on her post-arrest cath — the ECG in Figure-1 is clearly diagnostic of an extensive anterolateral STEMI ( presumably from acute LAD [ L eft A nterior D escending ] coronary artery occlusion). The rhythm in ECG #1 is regular and supraventricular at a rate of ~75/minute.

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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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What does the angiogram show? The Echo? The CT coronary angiogram? How do you explain this?

Dr. Smith's ECG Blog

STEMI MINOCA versus NSTEMI MINOCA STEMI occurs in the presence of transmural ischaemia due to transient or persistent complete occlusion of the infarct-related coronary artery. This has resulted in an under-representation of STEMI MINOCA patients in the literature. From Gue at al. Circulation. 2017;135(16):1490–3.

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A Tough ECG, But Learn From It!

Dr. Smith's ECG Blog

His ECG was repeated at this point: This shows a well developed anterior STEMI. To not see these findings is very common, and this patient would be given the diagnosis of NonSTEMI, with subsequent development of STEMI. It is not a missed STEMI, but it is a missed coronary occlusion. The peak troponin I was over 100.

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Why do we NOT name Occlusion MI (OMI) after an EKG finding? (In contrast to STEMI, which is named after ST Elevation)

Dr. Smith's ECG Blog

This " imbalance of precordial T waves" is not seen very often — and in the “right” clinical setting, has been associated with recent OMI from a LCx culprit artery ( See Manno et al: JACC 1:1213, 1983 — and the July 17, 2013 post by Salim Rezaie in ALiEM ).