9 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... dissociation ... #Awaves #waves ... #AV #dissociation ... #jugular #neck
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 in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... ... regular cannon ... EMdoc @EMdoc14 #CannonA ... #AWaves #AVNRT ... #JVP #Cardiology
Lancisi's Sign on Neck Examination in Severe Tricuspid Regurgitation

Semiology of severe tricuspid insufficiency : venous pulse
v” waves and systolic ... Note the giant cv wave ... with the giant v wave ... venous pulse seen ... #JVP #Clinical
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... Atrioventricular dissociation ... • The cannon ... dissociation + ... #AWaves #diagnosis
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 ... @Hussainch #Cannon ... #Awaves #AVNRT
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Outward Wave / ... 'CV' Fusion of Lancisi ... with Every Beat - Cannon ... 'A' Inward Wave ... #Jugular #Venous
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... Venous Pressure ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #Waveforms #JVP
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Atrial Flutter on Neck ... pulse of 140, being ... like a constant cannon ... Atrial #Flutter #Neck ... #PhysicalExam #JVP