7 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... → pressure wave ... wave in the JV. ... #Awaves #waves ... #JVP #jugular #
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... Venous Pressure ... a wave - Atrial ... pulmonic stenosis - Cannon ... #JVP #Differential
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 ... EMdoc @EMdoc14 #CannonA ... #AWaves #AVNRT
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
Abnormal Jugular ... Venous Pressure ... Outward Wave / ... with Every Beat - Cannon ... 'A' Inward Wave
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
the flutter waves ... c” wave as A and ... constant cannon ... a wave. ... #JVP #Clinical
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... pressure (CVP) ... Classic “cannon ... waves” caused by ... (↑ ‘v’ wave with