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

By
Quick Reference - Rhythm ... QRS / Blocks - Intervals ... #Basics #EKG #Electrocardiogram ... #Cardiology #Diagnosis ... #cheatsheet
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... Measurement in Irregular Rhythms ... Measurement #Irregular #Rhythm ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
doctor: Rate, Rhythm ... atrial, ventricle), Intervals ... (PR, QRS, QT), ... #ECG #EKG #Cheatsheet ... #Diagnosis #Reference
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... (constant R-R Interval ... setting of long QT ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
in 10s x 6 2) Rhythm ... • QT interval is ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis ... #system #cheatsheet
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
• PR, QRS, and QT ... response, junctional rhythm ... waves #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... General rule: QT ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Irregularly irregular rhythm ... PP, PR and RR intervals ... #Tachycardia #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... digitalis #Toxicity #Electrocardiogram ... ecg #toxicology #cardiology ... #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... P wave and PR interval ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram