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High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
• During sinus ... when 2 or more P waves ... #Highgrade #AVBlock ... #cardiology #ecg ... #ekg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
presence of AV block ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... >200ms • 2° Block ... • 3° Complete Block ... @AmyChung #EKG ... #cardiology #diagnosis
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... group-beating" on the ECG ... concerning variant ... #AVBlock #cardiology ... #ekg #ecg #diagnosis
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
of a variable P-wave ... Pacemaker: VARIANT ... #cardiology #ekg ... #ecg #electrocardiogram ... #comparison