21 results
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure Waveforms ... Atrioventricular dissociation ... Absent y descent - Cardiac ... #JVP #Differential ... #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology ... #CVP
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
contraction of atria ... msocoMD #CanonA #Awaves ... #waves #AV #dissociation ... #jugular #neck ... #cardiology #Canon
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Components • a wave ... • c wave - caused ... #Waves #Jugular ... #Waveforms #JVP ... #PhysicalExam #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
predictably w/ the cardiac ... AV dissociation ... VivekKulkarniMD #CannonA #AWaves ... #JVP #Clinical ... #Video #Cardiology
Lancisi's Sign on Neck Examination in Severe Tricuspid Regurgitation

Semiology of severe tricuspid insufficiency : venous pulse
with “giant v” waves ... Note the giant cv wave ... with the giant v wave ... #Neck #JVP #Clinical ... #PhysicalExam #Cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... s the clinical sign ... regular cannon a waves ... EMdoc14 #CannonA #AWaves ... #JVP #Cardiology
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
has Kussmaul's sign ... in the venous waveform ... the underlying diagnosis ... #Neck #PhysicalExam ... Clinical #Video #Cardiology
Lancisi's sign on Physical Exam
Lancisi's sign = loss of the x descent (in tricuspid regurg) creating
x descent (in tricuspid ... creating a fused cv wave ... #PhysicalExam #Waveform ... Clinical #Video #Neck ... #JVP #Tricuspid
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 ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #Cardiology #Neck