10 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... #Awaves #waves ... #AV #dissociation ... #JVP #jugular # ... #Canon
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure Waveforms ... - Prominent a waves ... pulmonic stenosis - Cannon ... - Tricuspid regurgitation ... #Waveforms #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon ... a wave usually occurs ... amzn.to/2LmUODZ #Cannon ... #AWaves #diagnosis
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 ... AV dissociation ... #AWaves #Neck #
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... The a wave is the ... a waves”! ... a waves? ... #AWaves #Complete
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... rapid cannon a ... waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... Components • a wave ... • c wave - caused ... #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 ... pressure (RAP) waveform ... The waveform morphology ... Classic “cannon ... #Waveform #Interpretation
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
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
being the "c" wave ... accentuated the "a" wave ... like a constant cannon ... a wave. ... we see flutter waves