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

By
Quick Reference - Rhythm ... #Basics #EKG #Electrocardiogram ... #Cardiology #Diagnosis ... #cheatsheet
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
doctor: Rate, Rhythm ... Intervals (PR, QRS, QT ... #ECG #EKG #Cheatsheet ... #Cribsheet #Electrocardiogram ... #Diagnosis #Reference
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
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
in 10s x 6 2) Rhythm ... ectopic atrial rhythm ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis ... #system #cheatsheet
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... • AV Block (ISt ... setting of long QT ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block ... Accelerated Escape Rhythm ... #Arrhythmias #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV block ... Trifascicular block ... 1st degree heart block ... EKG #Checklist #diagnosis ... #cardiology #electrocardiogram
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
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... ) - HiPR: AV block ... Approach #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
of conduction block ... Sinoventricular rhythm ... • "Sine wave" rhythm ... Hyperkalemia #EKG #ECG #electrocardiogram ... #cardiology #diagnosis