11 results
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
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... contraction of atria ... #Awaves #waves ... clinical #video #JVP ... #jugular #neck
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure Waveforms ... - Differential Diagnosis ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #JVP #Differential
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 ... diastole, when the tricuspid ... #AWaves #Complete ... Clinical #Video #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 ... 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 ... the y descent cannot ... #Waves #Jugular ... #Waveforms #JVP
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... Interpretation ... Classic “cannon ... #Waveform #Interpretation ... #Diagnosis #Cardiology
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 ... #Awaves #AVNRT ... #PhysicalExam #JVP
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
Catheterization Cheat Sheet: Interpretation ... diastole) ● c wave ... closure of the tricuspid ... ● v wave: ventricular ... #Diagnosis #RightHeartCatheterization
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
ICP WAVEFORM INTERPRETATION ... called Lundberg waves ... • LUNDBERG A WAVES ... • LUNDBERG B WAVES ... #neurosurgery #diagnosis