11 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... #AV #dissociation ... #clinical #video ... #JVP #jugular # ... neck #cardiology
Jugular Venous Pressure Waveform Patterns
A. Tricuspid Regurgitation
B. Tricuspid Stenosis
C. Constrictive Pericarditis
D. Atrial Septal Defect
E. Atrial Fibrillation
F.
Jugular Venous Pressure ... Waveform Patterns ... #Pressure #Waveform ... #Patterns #JVP ... #Cardiology #diagnosis
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... Venous Pressure Waveforms ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #Waveforms #JVP
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... bulging of the tricuspid ... the y descent cannot ... #Waves #Jugular ... #Waveforms #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 ... AV dissociation ... #AWaves #Neck # ... PhysicalExam #JVP
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... fever, what’s the clinical ... shown , what’s the diagnosis ... ... regular cannon ... #JVP #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... against a closed tricuspid ... , it indicates AV ... #AWaves #diagnosis ... #cardiology #CVP
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 ... to diagnose the ... that’s called “clinical ... #PhysicalExam #JVP ... #Cardiology #Neck
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
have elevated JVP ... in the venous waveform ... the underlying diagnosis ... #Neck #PhysicalExam ... #Clinical #Video