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 ... #Second #Degree ... #AVBlock #TypeII ... cardiology #ecg #ekg #electrocardiogram
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... interval of > 0.12 seconds ... which will be 0.12 seconds ... diagnosis #ekg #ecg #electrocardiogram ... #clinical
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... Block Type I aka ... #Second #Degree ... #AVBlock #TypeI ... cardiology #ecg #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Second Degree AV ... usually on the second ... Second degree AV ... • This is a clinically ... ecg #diagnosis #electrocardiogram
Second degree AV Block 2:1
 • During sinus rhythm, 2 to 1 AV block manifest as
Second degree AV ... is a subtype of second ... could either be second ... #Second #degree ... diagnosis #ekg #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 ... diagnosis #ekg #ecg #electrocardiogram ... #variants #clinical
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... • This is a clinically ... may progress to complete ... #Highgrade #AVBlock ... cardiology #ecg #ekg #electrocardiogram
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
aka Complete Heart ... rhythm with complete ... ThirdDegree #3rd #AVBlock ... #Complete #cardiology ... ecg #diagnosis #electrocardiogram
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
Paroxysmal AV Block ... persistent AV block ... #Paroxysmal #AVBlock ... cardiology #ekg #ecg #electrocardiogram ... #clinical
Premature Atrial Complexes and Bradycardia

ECG Tip: If there is a sudden onset of (V) bradycardia, check
Premature Atrial Complexes ... premature atrial complexes ... #bradycardia #clinical ... Premature #Atrial #Complexes ... #electrocardiogram