7 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 ... #JVP #jugular #
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
waves - Atrial ... pulmonic stenosis - Cannon ... dissociation, ventricular ... - Large cv waves ... #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 ... 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 ... a waves in AVNRT ... #AWaves #AVNRT ... #Neck #PhysicalExam
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... Atrioventricular dissociation ... a wave usually occurs ... 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 ... #Awaves #AVNRT ... #PhysicalExam #JVP
Atrial Flutter on Neck Examination

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