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There is inferior ST elevation with reciprocal ST depression in aVL and  in lead I,
suggestive of STEMI ... delay (R'-wave in V1 ... ST elevation in V1 ... suggestive of STEMI ... Cardiology #EKG #STEMI
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... • Conventional STEMI ... depression in V1 ... aVR • Posterior STEMI ... anterior leads) #STEMI
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... big R or R/S>I STEMI ... 15 lead - STE V1 ... tall T wave in V1 ... is inverted in V1
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Depression in V1 ... STEMI Criteria misses
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Dominant S wave in V1 ... (deep S waves V1 ... Criteria - Suspect STEMI ... 1 mm in leads V1
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
V1 & V2 sit over ... Electrocardiogram #STEMI
ECGofTheDay - What is the most likely diagnosis? What is this finding called? 

...

The combination of
precordial leads V1 ... be considered a STEMI
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... Syndrome: - rSR' in V1 ... ST-segment elevation in V1 ... Dominant S wave in V1 ... STElevation #ST #STEMI
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing STEMI ... Concordant STD ≥ 1mm in V1
Unstable Angina vs NSTEMI vs STEMI

#differential #Chestpain; #NSTEMI; #STEMI; #Unstableangina; #Angina 

Image Source: De Virgilio, C.,
Unstable Angina vs NSTEMI ... vs STEMI #differential ... #Chestpain; #NSTEMI ... ; #STEMI; #Unstableangina