9 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. ... #jugular #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 ... EMdoc @EMdoc14 #CannonA ... #JVP #Cardiology
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 ... #AWaves #Neck # ... PhysicalExam #JVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a ... #Awaves #AVNRT ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon ... a wave usually occurs ... activation from SVT (e.g ... #cardiology #CVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure ... wave - Atrial fibrillation ... pulmonic stenosis - Cannon ... a waves - Atrioventricular ... #Waveforms #JVP
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Venous Pressure ... Outward Wave / ... with Every Beat - Cannon ... 'A' Inward Wave ... #Jugular #Venous
Atrial Flutter on Neck Examination

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

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
Interpretation ... Central venous ... pressure (CVP) ... Classic “cannon ... #Diagnosis #Cardiology