12 results
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
a wave - Atrial ... pulmonic stenosis - Cannon ... dissociation, ventricular ... - Tricuspid regurgitation ... #JVP #Differential
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... contraction of atria ... exaggerated A wave ... #Awaves #waves ... #jugular #neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... against a closed tricuspid ... a wave usually occurs ... #AWaves #diagnosis ... #cardiology #CVP
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 ... The a wave is the ... a waves”! ... a waves?
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... Cannon a waves indicate ... #AWaves #Neck # ... PhysicalExam #JVP
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Components • a wave ... • c wave - caused ... • v wave - results ... #Waves #Jugular ... #Waveforms #JVP
Jugular Venous Pressure Waveform Patterns
A. Tricuspid Regurgitation
B. Tricuspid Stenosis
C. Constrictive Pericarditis
D. Atrial Septal Defect
E. Atrial Fibrillation
F.
Tricuspid Regurgitation ... Tricuspid Stenosis ... #Patterns #JVP ... #Cardiology #diagnosis ... #differential
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... a waves are enough ... to diagnose the ... #Awaves #AVNRT
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... ventricle (RV), tricuspid ... Classic “cannon ... with mitral regurgitation ... #Diagnosis #Cardiology
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