8 results
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
perspective: II, III & aVL ... leads), I & aVL ... contiguous I, aVL ... #EKG #diagram #Electrocardiogram ... EmergencyMedicine #Cardiology
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
Left Anterior Fascicular ... Block on EKG ... in leads I and aVL ... Block #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... artery (LMCA). left anterior ... • Classic EKG ... #electrocardiogram ... #differential #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • Lateral (I + aVL ... WolffParkinson-White syndrome ... #Electrocardiogram ... #cardiology #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
point • De Winter syndrome ... ST elevation in aVR ... of the leads l, aVL ... #EKG #diagnosis ... #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
wave inversion in avL ... - early inferior ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Benign T-wave Inversion (BTWI) vs. Wellens'
 • Usually in leads V3-V6 (vs. V2-V4 in Wellens'), but
frequent TWI in inferior ... leads (II/III/aVF ... are generally stable ... Inversion #BTWI #EKG ... #cardiology #electrocardiogram