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De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
De Winter T Wave ... ECG Pattern STEMI ... #TWaves #ECG #EKG ... Electrocardiogram #Diagnosis ... #Cardiology #Criteria
Sgarbossa’s ECG criteria for detecting ischemia in the presence of left bundle branch block (LBBB)

The Sgarbossa
bundle branch block ... be applied to all ... bundle branch blocks ... #Diagnosis #Cardiology ... #ECG #EKG #Sgarbossas
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
Anterior Fascicular Block ... in leads I and aVL ... Anterior #Fascicular #Block ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
narrow-based T Waves ... of conduction block ... • Pseudo-STEMI ... rhythm • "Sine wave ... #cardiology #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... of the leads l, aVL ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... bigger than QRS - deWinter ... inversion in avL ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... • 3° Complete Block ... #diagnosis #system
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Framework STEMI ... Bundle Branch Block ... bundle-branch block ... #cardiology #ecg ... #ekg #electrocardiogram
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
first-degree AV block ... : Bifascicular Block ... A bifascicular block ... Epsilon #clinical #diagnosis ... #cardiology #differential