13 results
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... is shown on the neck ... increase in CVP ... due to atrial contraction ... Clinical #Video #JVP
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... for DDI and an atrial ... #AWaves #Neck # ... PhysicalExam #JVP
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... contraction of atria ... #Awaves #waves ... clinical #video #JVP ... #jugular #neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... dissociation + retrograde atrial ... #AWaves #diagnosis ... #cardiology #CVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Atrial fibrillation ... - Atrial flutter ... pulmonic stenosis - Cannon ... - Large cv waves ... #JVP #Differential
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
- due to atrial ... - due to right atrial ... to subsequent atrial ... the y descent cannot ... #Waveforms #JVP
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... venous pressure (CVP ... ) or right atrial ... MD @rishimd #CVP ... #Waveform #Interpretation
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... a waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP ... #Cardiology #Neck
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Atrial Flutter on ... Neck Examination ... like a constant cannon ... JamesOngMD #Atrial ... #PhysicalExam #JVP
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
venous pressure (CVP ... ● Pulmonary arterial ... artery pressure – CVP ... = [mean PAp – CVP ... diastole) ● c wave