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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Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The QRS complex ... progress to complete ... aka Complete Heart ... rhythm with complete ... ecg #diagnosis #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
Premature Atrial Complex ... • PAC can be blocked ... diagnosis #ekg #ecg #electrocardiogram ... premature #atrial #complexes
The Sinoatrial Blocks

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinoatrial #blocks #heartblocks #comparison
The Sinoatrial Blocks ... diagnosis #ekg #ecg #electrocardiogram ... #sinoatrial #blocks ... #heartblocks #comparison
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 ... cardiology #ecg #ekg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervals vary at ... intervening QRS complex ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Comparison between Wandering atrial pacemaker (A) vs multifocal atrial arrhythmia (B)

#WAP #MAR #wandering #atrial #pacemaker #comparison
Comparison between ... arrhythmia (B) #WAP #MAR ... atrial #pacemaker #comparison ... diagnosis #ekg #ecg #electrocardiogram
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV Block ... • The PRI (may ... cardiology #ecg #ekg #electrocardiogram
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... • The QRS may ... conduction disease and may ... progress to complete ... cardiology #ecg #ekg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervals vary at ... intervening QRS complex ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
Paroxysmal AV Block ... persistent AV block ... - May be initiated ... : conducted or blocked ... cardiology #ekg #ecg #electrocardiogram