12 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... MD @msocoMD #CanonA ... #Awaves #waves ... #AV #dissociation ... #Canon
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
 • 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
Lancisi's Sign on Neck Examination in Severe Tricuspid Regurgitation

Semiology of severe tricuspid insufficiency : venous pulse
Lancisi's Sign on ... with “giant v” waves ... Note the giant cv wave ... with the giant v wave ... #Neck #JVP #Clinical
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Absent a wave ... - Prominent a waves ... block - Large a waves ... pulmonic stenosis - Cannon ... - Large cv waves
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
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... regular rapid cannon ... a waves are enough ... @Hussainch #Cannon ... #Awaves #AVNRT
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... following the wave ... that the giant A waves ... causing the A waves ... amzn.to/2LmUODZ #AWaves
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Algorithm Outward Wave ... 'CV' Fusion of Lancisi ... with Every Beat - Cannon ... 'A' Inward Wave ... Pressure #Algorithm #diagnosis
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