2018 ACS STEMI 
REBEL EM
MARCH 2, 2023
Based on recent studies, current guidelines recommend that O2 should not be given to non-hypoxemic patients with STEMI or NSTEMI [2,3]. REBEL Cast Ep114 – High Flow O2, Suspected ACS, and Mortality? 4159 patients (10% of total population) had STEMI 30d Mortality: High O2 protocol: 8.8% Low O2 protocol: 3.1%
EMS 12-Lead
JUNE 20, 2022
Although the attending crews did not consider the ECG pathognomonic for occlusive thrombosis, they nonetheless considered the patient high-risk for ACS and implored him to reconsider. A prehospital STEMI activation was transmitted to the closest PCI center, and 324mg ASA was administered. The pathology is now painfully evident.
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Dr. Smith's ECG Blog
APRIL 18, 2024
I sent this to the Queen of Hearts So the ECG is both STEMI negative and has no subtle diagnostic signs of occlusion. Non-STEMI guidelines call for “urgent/immediate invasive strategy is indicated in patients with NSTE-ACS who have refractory angina or hemodynamic or electrical instability,” regardless of ECG findings.[1]
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.”
Dr. Smith's ECG Blog
SEPTEMBER 25, 2024
Discharge ECG showed antero-inferior reperfusion T wave inversion: Had the initial ECG been signed off as “STEMI negative” the patient could have arrested in the waiting room, with a poor cardiac and neurological outcome. For more on this topic — See discussion in the October 24, 2019 and July 31, 2018 posts in Dr. Smith's ECG Blog ).
ECG & Echo Learning
JANUARY 18, 2023
STEMI , ST-segment elevation acute myocardial infarction ). 1 Initial diagnosis of STEMI ECG Management Recommendation Level of evidence A 12-lead ECG should be interpreted immediately (within 10 minutes) at first medical contact. I C If possible, patients should bypass non-PCI centres to a PCI-capable centre.
EMS 12-Lead
APRIL 14, 2022
It should be emphasized here that this is a presentation of high-pretest probability for Acute Coronary Syndrome (ACS). There is mixed overlap of ST-segment elevation (STE), ST-segment depression (STD), Hyperacute T waves (HATW), and deWinter pattern (which the ACC regards as a STEMI-equivalent but is better suited under the blanket of OMI).
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