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

By
ECG Interpretation ... Quick Reference - Rhythm ... QRS / Blocks - Intervals ... #Basics #EKG #Electrocardiogram ... #Cardiology #Diagnosis
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... Measurement in Irregular Rhythms ... #QTc #Interval ... #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 ... #Cribsheet #Electrocardiogram ... #Diagnosis #Reference ... #Interpretation
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... /QTC Interval: ... • QT interval is ... #ECG #Electrocardiogram ... #cardiology #diagnosis
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... digitalis #Toxicity #Electrocardiogram ... #ekg #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 ... • The P to P interval ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
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 ... • The P to P interval ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... dextrocardia, normal Intervals ... ICD/pacer - QTc ... #EKG #diagnosis ... #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
arrest - escape rhythms ... 1º - long PR intervals ... successively longer PR intervals ... #EKG #diagnosis ... #electrocardiogram
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
atrial rhythm & ... atrial tachycardia ECG ... P P, RR and PR intervals ... tachycardia #cardiology #diagnosis ... #ekg #electrocardiogram