10 results
ECG Interpretation Basics Quick Reference
- Rhythm and Rate
- QRS / Blocks
- Intervals
- Axis
- Chambers
- ST/T/Q (Ischemia)

By
ECG Interpretation ... Quick Reference - Rhythm ... #Interpretation ... #Basics #EKG #Electrocardiogram ... #Cardiology #Diagnosis
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
(AIVR) on EKG ... complexes >120 ms ... #AIVR #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Sinoventricular rhythm ... • "Sine wave" ... rhythm Presence ... #ECG #electrocardiogram ... #cardiology #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... in 10s x 6 2) Rhythm ... #Interpretation ... #ECG #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... Short QT <300-360 ms ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
MI in LBBB or Pacemaker ... by vertical 2ms spike ... #Checklist #EKG ... #electrocardiogram ... #ecg #cardiology
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
Ectopic atrial rhythm ... wave during sinus rhythm ... if the PRI is < ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
ECGs - Ischemia MI ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI ... #Equivalents #Interpretation
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... • During sinus rhythm ... blocks #AVBlock #cardiology ... #ekg #ecg #diagnosis ... #electrocardiogram
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... with irregular rhythms ... Ahmed Ghoneem, MD MSc ... artery #catheter #diagnosis ... #cardiology #swanganz