300 results
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... in CVP due to atrial ... When the atrium ... conditions in which the atrium ... UCSF IM Chiefs @
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... • The cannon a wave ... dissociation + retrograde atrial ... 2LmUODZ #Cannon #AWaves
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Components • a wave ... - due to atrial ... • c wave - caused ... • v wave - results ... #Waves #Jugular
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Atrial fibrillation ... - Atrial flutter ... stenosis, right atrial ... stenosis, right atrial ... regurgitation, atrial
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
• Inverted P Waves ... origin within the atria ... (e.g. ectopic atrial ... Morphology = multifocal atrial ... • Saw-Tooth = Atrial
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
of Multifocal Atrial ... Tachycardia, Atrial ... > 100 1. >3 p wave ... tooth" flutter waves ... discernible P waves
Inverted P Waves:
(A) Ectopic atrial rhythm
(B) Junctional rhythm 

#Inverted #PWaves #cardiology #diagnosis #ekg #ecg #electrocardiogram #differential
Inverted P Waves ... : (A) Ectopic atrial ... #Inverted #PWaves
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
leads indicates atrial ... 3 - diffuse T wave ... becomes normal OR T waves ... inverted #Diagnosis #EM ... #IM #Cardiology
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Flutter Typical atrial ... negatively-directed flutter waves ... positively-directed flutter waves ... Atypical atrial ... to the flutter waves
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
(CVP) or right atrial ... diastole): lost in atrial ... to disorganized atrial ... block) - ‘c’ wave ... obtained for LEFT atrial