Remove Physiology Remove STEMI Remove Stents
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Expert human ECG interpretation and/or the Queen of Hearts could have saved this patient's anterior wall

Dr. Smith's ECG Blog

A man in his mid 60s with history of CAD and stents experienced sudden onset epigastric abdominal pain radiating up into his chest at home, waking him from sleep. She knows the baseline is normal, and she knows the STEMI(-) OMI one is diagnostic of OMI, with the highest possible confidence. It is stented with good angiographic result.

Stents 127
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A 40-something male with resolving chest pain and a "Normal ECG" by computer and cardiology overread

Dr. Smith's ECG Blog

Here it is: Obvious Inferior Posterior STEMI (+) OMI. Initial troponin was: 3 ng/L We showed that the first troponin in acute STEMI is often negative in at least 27%. It must have re-occluded between the ED and the cath lab) --Lesion was stented. Aside on ECG Research: 20% of Definite diagnostic STEMI (Cox et al.)

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Three normal high sensitivity troponins over 4 hours with a "normal ECG"

Dr. Smith's ECG Blog

On the combined basis of angiography and IVUS, this patient received stents to his mid RCA, proximal PDA, and OM. RCA and PDA before and after, arrows indicating stented regions. OM before and after, arrow indicating stented region. Additional findings: No ST elevation." The basic facts are these: Morphine works.

Angina 121
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Distractions

EMS 12-Lead

He denied any known medical history, specifically: coronary artery disease, hypertension, dyslipidemia, diabetes, heart failure, myocardial infarction, or any prior PCI/stent. Another factor to be considered, according to Chou’s textbook, is that many patients have dual AVN physiology and conduction is preferential down the fast pathway.

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50 Shades of T

EMS 12-Lead

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). Troponin I returned 80 ng/mL, and the Cath Lab was then reactivated where a 100% LAD occlusion was found and stented.

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A man in his 60s with acute chest pain

Dr. Smith's ECG Blog

Diagnosis: Acute non-ST segment elevation MI (Non-STEMI, or NSTEMI) Second troponin returned at around 0200: 15,894 ng/L 0245 (unclear if ongoing pain or not) Inferoposterior (and lateral V5-6) reperfusion findings. Admitted to the hospital service for further evaluation and management." No further ECG were ever recorded.

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A 40-Something male with a "Seizure," Hypotension, and Bradycardia

Dr. Smith's ECG Blog

There is an obvious inferior STEMI, but what else? Besides the obvious inferior STEMI, there is across the precordial leads also, especially in V1. This STE is diagnostic of Right Ventricular STEMI (RV MI). In fact, the STE is widespread, mimicking an anterior STEMI. He was successfully stented.