Remove Bradycardia Remove Defibrillator Remove STEMI
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A man with chest pain off and on for two days, and "No STEMI" at triage.

Dr. Smith's ECG Blog

This ECG was read as “No STEMI” with no prior available for comparison. It is true this ECG does not meet STEMI criteria (there is 1.0 Soon afterward, the patient’s symptoms return along with lightheadedness, bradycardia, and hypotension. The Queen of Hearts sees it of course: Still none of these three ECGs meet STEMI criteria.

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What are treatment options for this rhythm, when all else fails?

Dr. Smith's ECG Blog

The ECG shows obvious STEMI(+) OMI due to probable proximal LAD occlusion. He required multiple defibrillations within a period of a few hours. This time, the arrhythmia did not spontaneously terminate — but rather degenerated to VFib, requiring defibrillation. The below ECG was recorded. What do you think?

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A 50-something with chest pain.

Dr. Smith's ECG Blog

He reports that this chest pain feels different than prior chest pain when he had his STEMI/OMI, but is unable to further describe chest pain. VF was refractory to amiodarone, lidocaine, double-sequential defibrillation, esmolol, etc. Sensitivity was 87% for OMI in our validation study (it was 34% for STEMI criteria).

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1 hour of CPR, then ECMO circulation, then successful defibrillation.

Dr. Smith's ECG Blog

She was unable to be defibrillated but was cannulated and placed on ECMO in our Emergency Department (ECLS - extracorporeal life support). After good ECMO flow was established, she was successfully defibrillated. There is sinus bradycardia with one PVC. This is a troponin I level that is almost exclusively seen in STEMI.

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STEMI with Life-Threatening Hypokalemia and Incessant Torsades de Pointes

Dr. Smith's ECG Blog

Here is his ED ECG: There is obvious infero-posterior STEMI. What are you worried about in addition to his STEMI? There is also bradycardia. Bradycardia puts patients at risk for "pause-dependent" Torsades de Pointes. Bradycardia puts patients at risk for "pause-dependent" Torsades de Pointes.

STEMI 52
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Distractions

EMS 12-Lead

It doesn’t meet any conventional STEMI criteria, but there is patently obvious increased area under the curve. Despite immediate chest compressions, and multiple rounds of defibrillation, he could not be resuscitated. To which the lead paramedic replied, “Not cardiac; his symptoms are atypical. Is this OMI?

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A Middle-Aged male with Chest Pain and an Unusual ECG

Dr. Smith's ECG Blog

If it is STEMI, it would have to be RBBB with STEMI. Cardioversion/defibrillation. Bradycardia. But — one of the causes of Brugada Phenocopy is acute infarction — so I didn’t know how to distinguish between a preexisting Brugada-1 ECG pattern vs a Brugada ECG pattern developing as a result of acute ongoing anterior STEMI.