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ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
, Hypertrophy (atrial ... , ventricle), Intervals ... (PR, QRS, QT), ... #ECG #EKG #Cheatsheet ... #Diagnosis #Reference
ECG Interpretation Basics Quick Reference
- Rhythm and Rate
- QRS / Blocks
- Intervals
- Axis
- Chambers
- ST/T/Q (Ischemia)

By
QRS / Blocks - Intervals ... #Basics #EKG #Electrocardiogram ... #Cardiology #Diagnosis ... #cheatsheet
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... • QT interval is ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis ... #system #cheatsheet
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... fibrillation and atrial ... waves - Short QT ... interval Dr. ... #EKG #Cardiology
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
of Multifocal Atrial ... Irregular P-P intervals ... Regular PP intervals ... AFlutter #Comparison #Diagnosis ... #Cardiology #Electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... Irregular #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... • Premature atrial ... setting of long QT ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... will have a PR interval ... #complexes #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... PP, PR and RR intervals ... #Tachycardia #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
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