Dr. Smith's ECG Blog

NOVEMBER 15, 2023

This suggests further severe ischemia. 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. And yet the arteries remain open.

Coronary Angiogram 103

Coronary Angiogram Plaque Thrombosis STEMI 103

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. His response: “subendocardial ischemia. Anything more on history? POCUS will be helpful.”

Ischemia 52

Ischemia STEMI Stenosis Coronary Artery Disease 52

EMS 12-Lead

AUGUST 14, 2022

A second 12 Lead ECG was recorded: This is a testament to the dynamic nature of coronary thrombosis and thrombolysis. it has been subsequently deemed a STEMI-equivalent. The patient verbalized spontaneous improvement just before 324mg ASA administration. But the lesion is still active!

STEMI 52

STEMI Sudden Cardiac Death Thrombosis Thrombolysis 52

Dr. Smith's ECG Blog

SEPTEMBER 5, 2023

I would expect TIMI-3 flow (normal flow, no persistent ischemia) with a culprit in the RCA (or possibly Circumflex). The angiogram showed an open artery with 95% stenosis and thrombosis and it was stented. Quiz : What percent of full blown STEMI have an open artery with normal flow at angiogram? Jesse McLaren et al.

Chest Pain 82

Chest Pain STEMI Stents Stent 82

Dr. Smith's ECG Blog

NOVEMBER 3, 2023

The baseline ECG is basically normal with no ischemia. You can see in the lead-specific analysis that she "sees" the STD in V5, V5, and II, with STE in aVR as signs of "Not OMI", because subendocardial ischemia pattern is not the same as OMI. In my opinion, I think it looks more like subendocardial ischemia. Am J Emerg Med.

Chest Pain 87

Chest Pain Cardiogenic Shock Ischemia Myocardial Infarction 87

EMS 12-Lead

MAY 20, 2022

There is broad subendocardial ischemia as demonstrated by STE aVR with concomitant STD that almost appears appropriately maximal in Leads II and V5. There is LBBB-like morphology with persistent patterns of subendocardial ischemia. This worried the crew of potential acute coronary syndrome and STEMI was activated pre-hospital.

Cardiomyopathy 52

Cardiomyopathy Ischemia STEMI Coronary Angiogram 52

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.

Chest Pain 52

Chest Pain Aneurysm STEMI Thrombosis 52