Remove Cardiogenic Shock Remove Electrocardiogram Remove Ischemia
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90 year old with acute chest and epigastric pain, and diffuse ST depression with reciprocal STE in aVR: activate the cath lab?

Dr. Smith's ECG Blog

His response: “subendocardial ischemia. Smith : It should be noted that, in subendocardial ischemia, in contrast to OMI, absence of wall motion abnormality is common. With the history of Afib, CTA abdomen was ordered to r/o mesenteric ischemia vs ischemic colitis vs small bowel obstruction. Anything more on history?

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A man in his 70s with acute chest pain and paced rhythm.

Dr. Smith's ECG Blog

Impella (cardiac output augmentation device) placed for cardiogenic shock Unfortunately, the patient progressed to multiorgan failure with worsening cardiac output despite being maxed on pressors and a balloon pump. EKG shown here: LAFB with no clear signs of OMI or ischemia. He expired 4 days later. No labs were performed.

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How does Acute Total Left Main Coronary occlusion present on the ECG?

Dr. Smith's ECG Blog

Post by Smith and Meyers Sam Ghali ( [link] ) just asked me (Smith): "Steve, do left main coronary artery *occlusions* (actual ones with transmural ischemia) have ST Depression or ST Elevation in aVR?" That said, complete LM occlusion would be expected to have subepicardial ischemia (STE) in these myocardial territories: STE vector 1.

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Should Troponin be a Vital Sign? Perhaps, but only if Interpreted Using Pre-test Probability.

Dr. Smith's ECG Blog

The patient went into cardiogenic shock and ultimately died of this MI. Across both selected patient populations, the positive predictive value was highest in patients with chest pain, with ischaemia on the electrocardiogram, and with a history of ischaemic heart disease. Regional WMA: Lateral , large, hypokinetic.