7 results
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... The a wave is the ... a waves”! ... a waves? ... #AWaves #Complete
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... dissociation • The cannon ... a wave usually ... #AWaves #diagnosis ... #cardiology #CVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Diagnosis - Absent a wave ... - Prominent a waves ... block - Large a waves ... pulmonic stenosis - Cannon ... - Large cv waves
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Components • a wave ... • c wave - caused ... the y descent cannot ... #Waves #Jugular ... #Waveforms #JVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... regular rapid cannon ... a waves are enough ... #Awaves #AVNRT ... #Cardiology #Neck
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... Classic “cannon ... waves” caused by ... block) - ‘c’ wave ... #Waveform #Interpretation
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
diastole) ● c wave ... closure of the tricuspid ... ● v wave: ventricular ... #CheatSheet #Waveforms ... #Cardiology