2020 Plaque STEMI 
Dr. Smith's ECG Blog
NOVEMBER 15, 2023
MINOCA may be due to: coronary spasm, coronary microvascular dysfunction, plaque disruption, spontaneous coronary thrombosis/emboli , and coronary dissection; myocardial disorders, including myocarditis, takotsubo cardiomyopathy, and other cardiomyopathies. Thus, intracoronary imaging modalities are crucial in this setting. From Gue at al.
Dr. S. Venkatesan MD
DECEMBER 2, 2023
This has important clinical significance , as many successfully lysed STEMI patient might have minimal segments of dissection/deep plaque fissures. , Kim N Engl J Med 2020; 383:2358-2370 Next query What is the difference between plaque fissure and coronary arterial dissection? Is plaque fissure painful ?
Dr. Smith's ECG Blog
APRIL 22, 2024
EKG from triage: Here is his previous ECG: Normal ST Elevation Resident's interpretation: Reperfusion pattern/Wellens' with biphasic T waves in V2 and V3, and in comparison to an EKG in 2020 this is new. Patient still not having chest pain however this is more concerning for OMI/STEMI. Labs ordered but not yet drawn. Aspirin given.
Dr. Smith's ECG Blog
DECEMBER 19, 2023
The commonest causes of MINOCA include: atherosclerotic causes such as plaque rupture or erosion with spontaneous thrombolysis, and non-atherosclerotic causes such as coronary vasospasm (sometimes called variant angina or Prinzmetal's angina), coronary embolism or thrombosis, possibly microvascular dysfunction. It is not rare.
Dr. Smith's ECG Blog
MAY 19, 2020
This is a troponin I level that is almost exclusively seen in STEMI. So this is either a case of MINOCA, or a case of Type II STEMI. If the arrest was caused by acute MI due to plaque rupture, then the diagnosis is MINOCA. I believe the latter (type II STEMI) is most likely. Troponin I rose to 44.1 FFR can be useful.
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 30, 2022
To prove there is no plaque rupture, you need to do intravascular ultrasound (IVUS). An angiogram is a "lumenogram;" most plaque is EXTRALUMINAL!! One of the most common is rupture of a non-obstructive plaque, with thrombus formation and OMI that spontaneously lyses and leaves a wide open artery. It can only be seen by IVUS.
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