22 results
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
on EKG • Left ... deviation (LAD) (-45 degrees ... to -90 degrees) ... in leads I and aVL ... #diagnosis #cardiology
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart ... Block, Mobitz Type ... Wenckebach) P waves ... SecondDegree #HeartBlock #Diagnosis ... #Cardiology #EKG
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... non-conducted P wave ... #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... prolonged) before a P wave ... #Second #Degree ... MobitzII #Type2 #diagnosis ... #cardiology #ecg
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... #Second #Degree ... Type1 #Wenckebach #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG ... counting of HR by EKG ... of conduction block ... • Pseudo-STEMI ... #cardiology #diagnosis
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... II • p waves ... SecondDegree #HeartBlock #Diagnosis ... #Cardiology #EKG ... #ECG #Electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... First Degree AV ... #cardiology #ekg ... #ecg #diagnosis ... classification #summary
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... inversion in avL ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • Lateral (I + aVL ... Normal: Upright in all ... Electrocardiogram #cardiology ... #diagnosis #system