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Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... authors state that ST ... elevation in aVR ... #Clinical #EM #IM ... Cardiology #EKG #STElevations
Causes of ST Elevation in ECG

#STElevation #STEMI #ECG #EKG #Electrocardiogram #Causes #Differential #ABCHELP #Mnemonic
Causes of ST Elevation ... in ECG #STElevation
ST Elevation MI Criteria 
#Diagnosis #Cardiology #ECG #EKG #STEMI #STElevationMI #Criteria #FOAMCast
ST Elevation MI ... ECG #EKG #STEMI #STElevationMI
ST segment elevation in acute myocardial ischemia

ST segment elevations with straight (horizontal, upsloping or downsloping) or
ST segment elevation ... myocardial ischemia ST ... Concave ST segment ... Concave ST segment ... ECG #EKG #STEMI #STElevation
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
on ECG - aVR ST ... segment elevation ... > 1 mm - aVR ST ... segment elevation ... > ST segment elevation
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... elevation (concave ... elevation in V1 ... elevation with ... blocking drugs #STElevation
Sgarbossa Criteria A - Concordant ST segment elevation of >1m, in any lead | Sgarbossa Criteria
A - Concordant ST ... segment elevation ... B - Concordant ST ... Disconcordant ST ... segment elevation
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
elevation in aVR ... elevation ≥ 0.1 ... elevation with ... elevation >25% ... elevation in 3
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
diffuse, positive, ST ... with reciprocal ST ... Elevation of PR ... normalization of ST ... inverted #Diagnosis #EM
What are the original Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead =
- Concordant ST-segment ... elevation ≥ 1 mm ... points - Concordant ST-segment ... points - Discordant ST-segment ... elevation ≥ 5 mm