Dr. Arnel Carmona @ecgrhythms
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Internal Medicine (IMG) , lover of the squiggly lines and all simplistic learning https://twitter.com/ecgrhythms - blogger @ - https://www.ekgrhythm.com/
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Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... complex (PAC) - ... junctional complex ... #PACs #premature ... #atrial #complexes
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
The 3 Fates of a Premature ... Atrial Complex ... electrocardiogram #premature ... #atrial #complexes
Premature Atrial Complexes and Bradycardia

ECG Tip: If there is a sudden onset of (V) bradycardia, check
Premature Atrial ... Complexes and Bradycardia ... for nonconducted premature ... atrial complexes ... #Atrial #Complexes
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... location of the block ... • The QRS complex ... location of the block ... Second #Degree #AVBlock
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The QRS complex ... may progress to complete ... aka Complete Heart ... rhythm with complete ... atrioventricular #blocks #AVBlock
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
Tachycardia in Wide Complex ... aVR - Vereckie Algorithm ... #Algorithm #
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
aka Complete Heart ... rhythm with complete ... AV block, the PP ... ThirdDegree #3rd #AVBlock ... #Complete #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... presence of AV block
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... aka Advanced AV Block ... may progress to complete ... heart block. ... #Highgrade #AVBlock
A Summary slide of Sinoatrial Rhythms 
 • Sinus Rhythm
 • Sinus Arrhythmia
Atrial Rhythm • Premature ... Atrial Complexes