8 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 ... this results in “cannon ... our patient have cannon ... UCSFIMChiefs #CannonA
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure Waveforms ... pulmonic stenosis - Cannon ... - Tricuspid regurgitation ... Abnormal #Jugular #Waveforms ... #JVP #Differential
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... dissociation • The cannon ... a wave usually ... amzn.to/2LmUODZ #Cannon ... #AWaves #diagnosis
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 ... @Hussainch #Cannon ... #Awaves #AVNRT
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
Lancisi's sign on Physical Exam
Lancisi's sign = loss of the x descent (in tricuspid regurg) creating
creating a fused cv wave ... #PhysicalExam #Waveform ... Clinical #Video #Neck ... #JVP #Tricuspid ... #Regurgitation
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... ventricle (RV), tricuspid ... forward flow like tricuspid ... Classic “cannon ... with mitral regurgitation
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
obscenely huge waves ... it giant A or V wave ... #Fibrillation #Neck ... #JVP #Clinical ... #Video #AFib #PhysicalExam