5 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... , it indicates AV ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... The a wave is the ... results in “cannon a waves ... have cannon a waves ... UCSFIMChiefs #CannonA #AWaves
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 ... #JVP #Clinical
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... the atria and ventricles ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology