Remove Bradycardia Remove Hospital Remove STEMI
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Serial ECGs for chest pain: at what point would you activate the cath lab?

Dr. Smith's ECG Blog

There’s competing sinus bradycardia and junctional rhythm, with otherwise normal conduction, borderline right axis, normal R wave progression and voltages. While STEMI negative, the ECG is diagnostic of proximal LAD occlusion. Transient STEMI” are often managed like non-STEMI with delayed angiography, which is very risky.

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A woman in her 70s with bradycardia and hypotension

Dr. Smith's ECG Blog

There is STE in III and aVF which does not meet STEMI criteria due to insufficient STE in lead aVF. Resuscitation was initiated and this ECG was obtained: Likely AFib (irregularly irregular) with bradycardia. The cardiologists were not familiar with this and insisted that the ECG in paced rhythm could not be used to "look for a STEMI".

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What will happen if you implement the Queen of Hearts in your Hospital?

Dr. Smith's ECG Blog

He has now implemented the Queen of Hearts in his hospital. The emergency physician asked the advice of Dr. Reiters because of absence of STEMI criteria. This case was sent by Dr. Jean-christophe Reiters, an interventionalist in Belgium. He has been following the blog for 4 years. He wanted to share one of the first cases.

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ECG Blog #392 — Repolarization T Waves?

Ken Grauer, MD

I see the following: The rhythm is sinus bradycardia at ~55-60/minute. These tall T waves are associated with flattening ( straightening ) of the ST segment in the inferior leads — with slight S T elevation in leads V2-thru-V6 ( albeit not enough to qualify as a "STEMI" — Akbar et al, StatPearls, 2023 ).

Blog 145
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Cath Lab occupied. Which patient should go now (or does only one need it? Or neither?)

Dr. Smith's ECG Blog

A prehospital “STEMI” activation was called on a 75 year old male ( Patient 1 ) with a history of hyperlipidemia and LAD and Cx OMI with stent placement. The two cases were considered: Patient 1 was recognized by the ED provider and the cardiologist as having resolved “STEMI”. Patient 1 remained in the hospital overnight.

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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. Could there have been a different outcome if the crews immediately recognized OMI – versus a shortened PR-interval – and commenced with pre-hospital Cath Lab activation? Is this OMI?

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12 Example Cases of Use of 3- and 4-variable formulas, plus Simplified Formula, to differentiate normal STE from subtle LAD occlusion

Dr. Smith's ECG Blog

These kinds of cases were excluded from the study as obvious anterior STEMI. --QTc Case 1 Acute anterior STEMI from LAD occlusion, or Benign Early Repolarization (BER)? Appropriately, the physicians repeated the ECG 20 minutes later and it was diagnostic of anterior STEMI. Why bradycardia? QTc is the computer measurement.