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) - ... interval of > 0.12 seconds ... which will be 0.12 seconds ... diagnosis #ekg #ecg #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... Complex • PAC ... diagnosis #ekg #ecg #electrocardiogram ... #premature #atrial ... #complexes
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... • The QRS complex ... #Second #Degree ... cardiology #ecg #ekg #electrocardiogram
Premature Atrial Complexes and Bradycardia

ECG Tip: If there is a sudden onset of (V) bradycardia, check
Premature Atrial ... Complexes and Bradycardia ... complexes #PACs ... ecg #Premature #Atrial ... #Complexes #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... Wandering Atrial ... diagnosis #ekg #ecg #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 ... • The QRS complex ... ecg #diagnosis #electrocardiogram
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
Ectopic atrial rhythm ... • The atrial ... PRI is < 0.12 seconds ... #Ectopic #atrial ... diagnosis #ekg #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 ... Wandering Atrial ... diagnosis #ekg #ecg #electrocardiogram
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Degree AV Block aka Complete ... sinus rhythm with complete ... #ThirdDegree #3rd ... #AVBlock #Complete ... ecg #diagnosis #electrocardiogram