Remove Dysrhythmia Remove Ischemia Remove Myocardial Infarction
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Diffuse Subendocardial Ischemia on the ECG. Left main? 3-vessel disease? No!

Dr. Smith's ECG Blog

DISCUSSION: The 12-lead EKG EMS initially obtained for this patient showed severe ischemia, with profound "infero-lateral" ST depression and reciprocal ST elevation in lead aVR. The ECG cannot diagnose the etiology of ischemia; it only the presence of ischemia, from whatever etiology.

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An athletic 30-something woman with acute substernal chest pressure

Dr. Smith's ECG Blog

This is diagnostic of myocardial infarction. Now you have ECG and troponin evidence of ischemia, AND ventricular dysrhythmia, which means this is NOT a stable ACS. It they are static, then they are not due to ischemia. This is better evidence for ischemia than any other data point.

SCAD 52
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STEMI with Life-Threatening Hypokalemia and Incessant Torsades de Pointes

Dr. Smith's ECG Blog

If there is polymorphic VT with a long QT on the baseline ECG, then generally we call that Torsades, but Non-Torsades Polymorphic VT can result from ischemia alone. Could the dysrhythmias have been prevented? Severe hypokalemia in the setting of STEMI or dysrhythmias is life-threatening and needs very rapid treatment.

STEMI 52
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Emergency Department Syncope Workup: After H and P, ECG is the Only Test Required for Every Patient.

Dr. Smith's ECG Blog

Evidence of acute ischemia (may be subtle) vii. Dysrhythmia, pacer), 4) valvular heart disease, 5) FHx sudden death, 6) volume depletion, 7) persistent abnormal vitals, 8) primary CNS event __ 3) Mendu ML et al. to 1.64) for myocardial infarction or death from coronary heart disease, and 1.06 (95 percent confidence interval, 0.77