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What does the ECG show in this patient with chest pain, hypotension, dyspnea, and hypoxemia?

Dr. Smith's ECG Blog

Written by Pendell Meyers, with some edits by Smith A man in his 40s with many comorbidities presented to the ED with chest pain, hypotension, dyspnea, and hypoxemia. An 80-something woman who presented with chest pain and dyspnea. Here is his triage ECG: What do you think? Lots of info here.

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Diffuse ST depression, and ST elevation in aVR. Left main, right?

Dr. Smith's ECG Blog

This ECG was recorded on a middle-aged male with sickle cell disease and diffuse pain. found that such ECG findings only represented left main ACS in 14% of such ECGs: Only 23% of patients with the aVR STE pattern had any LM disease (fewer if defined as 50% stenosis). What do you think? Are These Wellens' Waves??