Remove Cardiac Arrest Remove Cardiogenic Shock Remove Stent
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How terrible can it be to fail to recognize OMI? To whom is OMI Obvious or Not Obvious?

Dr. Smith's ECG Blog

About 45 minutes after the second EKG, the patient was found in cardiac arrest. She was taken to the cath lab, where she was found to have 100% in-stent restenosis of the proximal LAD. A temporary pacemaker was implanted, and she was admitted to the ICU with cardiogenic shock. She could not be resuscitated.

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Cardiac Arrest, Ventricular Fibrillation, Inferior and Right ventricular MI (RVMI) or "Pseudoanteroseptal MI"

Dr. Smith's ECG Blog

She arrived comatose and in cardiogenic shock and the following ECG was recorded. Pressors were required, and the patient was transported to the cath lab with a door to balloon time of 60 minutes, where a proximal dominant RCA occlusion was opened and stented. She was intubated.

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LBBB: Using the (Smith) Modified Sgarbossa Criteria would have saved this man's life

Dr. Smith's ECG Blog

But the lack of traditional Sgarbossa criteria is not reassuring enough for such high pretest probability (elderly patient with chest pain, out of hospital cardiac arrest and LBBB), and the Modified Sgarbossa Criteria confirms Occlusion MI in this case. So the RCA was stented. Any indications for cath lab activation?

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Should we activate the cath lab? A Quiz on 5 Cases.

Dr. Smith's ECG Blog

The patient was referred immediately for cath which revealed RCA occlusion that was stented. The patient died of cardiogenic shock within 24 hours despite mechanical circulatory support. Smith: This bizarre ECG looks like a post cardiac arrest ECG with probable acidosis or hyperkalemia in addition to OMI.

Ischemia 103
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A man in his 70s with chest pain

Dr. Smith's ECG Blog

About an hour later, he was then found on the floor in cardiac arrest in the ED. He underwent CPR and then was shocked out of VF. He was taken to the cath lab where he was found to have acute total occlusion of his saphenous vein graft to his RCA, which was stented. No further troponins were measured.