Canon A waves in a patient with AV dissociation Occurs due to the simultaneous contraction of atria and ventricle → exaggerated RA pressure → pressure wave travels up the venous system seen as an exaggerated A wave in the JV. Marc Soco, MD @msocoMD #CanonA #Awaves #waves #AV #dissociation #clinical #video #JVP #jugular #neck #cardiology #Canon
