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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Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... • The QRS complex ... #AVBlock #TypeII ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... (PAC) - ECG Recognition ... interval of > 0.12 seconds ... which will be 0.12 seconds ... #ecg #electrocardiogram
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... Block Type I aka ... #Second #Degree ... #AVBlock #TypeI ... #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Second Degree AV ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #electrocardiogram
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
by a junctional pacemaker ... an infra-Hisian pacemaker ... ThirdDegree #3rd #AVBlock ... #ekg #ecg #diagnosis ... #electrocardiogram
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
Ectopic atrial rhythm ... atrial pacemaker ... PRI is < 0.12 seconds ... #Ectopic #atrial ... #ecg #electrocardiogram
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 ... Wandering Atrial Pacemaker ... #ecg #electrocardiogram
Second degree AV Block 2:1
 • During sinus rhythm, 2 to 1 AV block manifest as
Second degree AV ... #Second #degree ... #2nd #AVBlock #2to1 ... #ecg #diagnosis ... #ekg #electrocardiogram
A Summary slide of Sinoatrial Rhythms 
 • Sinus Rhythm
 • Sinus Arrhythmia
Wandering Atrial Pacemaker ... tachycardia • Ectopic ... Premature Atrial Complexes ... diagnosis #cardiology #ekg ... #ecg
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... may progress to complete ... #Highgrade #AVBlock ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram