21 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... wave usually occurs ... , it indicates AV ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... waves! ... Cannon a waves indicate ... : 3rd deg AV block ... #Cardiology
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... • Normal P waves ... group-beating" on the ECG ... Wenckebach #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... group-beating" on the ECG ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... #ecg #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... junction origin (e.g ... @AmyChung #EKG ... Interpretation #ECG
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... P wave is dropped ... Second #Degree #AVBlock ... Type2 #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
Paroxysmal AV Block ... P waves with no ... the following P wave ... #Paroxysmal #AVBlock ... #ecg #ekg #electrocardiogram
Second degree AV Block 2:1
 • During sinus rhythm, 2 to 1 AV block manifest as
as 2 P waves followed ... • A 2:1 AV block ... #2to1 #ecg #diagnosis ... #ekg #electrocardiogram ... #cardiology
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... when 2 or more P waves ... • This is a clinically ... #Highgrade #AVBlock ... #ecg #ekg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... P wave (ventricular ... completely absent, P waves ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis