ST Depression
Results:
ST Depression: DDx
Key Points: ST depression is a pattern, not a diagnosis. It can represent ischemia, reciprocal change, baseline repolarization abnormalities, or noncardiac physiology. First split: regional (territorial) ST depression vs diffuse…
ST Elevation in aVR with Diffuse ST Segment Depression: OMI Pattern
Key Points: Pattern, not a STEMI equivalent. ST elevation in aVR (≥1 mm), often with ST elevation in V1 and diffuse ST depression (≥1 mm in ≥6 leads), represents high-risk…
ST Depression V1-V4: OMI Pattern
Key Points: Most missed occlusion MI. Isolated posterior occlusion MI is frequently missed because the standard 12-lead ECG often lacks ST elevation. Instead, posterior injury appears as reciprocal anterior ST…
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