11 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. ... neck #cardiology ... #Canon
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 ... #JVP #Cardiology
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 ... #Cardiology #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 ... VivekKulkarniMD #CannonA ... #AWaves #Neck #
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Waveforms - Differential ... a wave - Atrial ... pulmonic stenosis - Cannon ... a waves - Atrioventricular ... #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 ... #AWaves #diagnosis ... #cardiology #CVP
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... wave - due to atrial ... the y descent cannot ... #Waves #Jugular ... #Waveforms #JVP
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Outward Wave / ... Two Troughs - Giant ... with Every Beat - Cannon ... 'A' Inward Wave ... #diagnosis #cardiology
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... A waves are "intermittent ... in the venous waveform ... amzn.to/2LmUODZ #AWaves ... #Giant #PHTN #JVP
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
being the "c" wave ... wave, revealing ... “a/c” wave as A ... constant cannon ... a wave.