1978 results
Progression of EKG changes in ACS
 • Hyperacute T waves
 • ST depression and T waves
Progression of EKG ... • Hyperacute T waves ... depression and T waves ... elevation • T wave ... #Progression #EKG
T Waves: Benign Early Repolarization vs Hyperacute T Waves vs Peaked T Waves 

BER = Notching
T Waves: Benign ... vs Hyperacute T Waves ... vs Peaked T Waves ... symmetrically peaked #ECG ... #EKG #cardiology
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
De Winter T Wave ... ECG Pattern STEMI ... depressions and tall T waves ... DeWinter #TWaves #ECG ... #EKG #Electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
Osborn wave (J wave) in Hypothermia - Positive deflection at the J point

Height of the J
Osborn wave (J wave ... Height of the J wave ... Clinical #Cardiology #ECG ... #EKG #Osborn #JWave
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Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG ... narrow-based T Waves ... counting of HR by EKG ... Loss of visible P waves ... rhythm • "Sine wave
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Wenckebach) P waves ... non-conducted P wave ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T Wave ... threatening T wave ... angina; but T wave ... Serial EKGS in pts ... Wellens #Sign #EKG
Hyperkaelemia ECG Features - With mild to moderate hyperkalemia, there is reduction of the size of
Hyperkaelemia ECG ... size of the P wave ... development of peaked T waves ... complex, and the ECG ... Cardiology #MedStudent #EKG
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Deep T Wave Inversions ... Juvenile T wave ... Secondary T wave ... Causes #Cardiology #ECG ... #EKG #Electrocardiogram