13 results
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 ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs - Ischemia ... inversion in avL ... - early inferior ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... of the leads l, aVL ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Septal (V1-2) • Anterior ... • Lateral (I + aVL ... @AmyChung #EKG ... Electrocardiogram #cardiology ... #diagnosis #system
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... presence of AV block ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
Hyperacute Inferior ... in aVL 5. ... InferoPosterior transmural ischemia ... #Clinical #Cardiology ... #EKG #STEMI #InferoPosterior
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
finding) • Atrial Arrhythmia ... • Dominant R Wave ... leads) RV Ischemia ... Leads (VI-V3) +/- Inferior ... Embolism #AcutePE #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Framework STEMI ... Bundle Branch Block ... bundle-branch block ... #cardiology #ecg
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... presence of AV block ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... predictor of recurrent ischemic ... : Differential diagnosis ... • Predictor of arrhythmia ... #cardiology