18 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... pressure → pressure wave ... exaggerated A wave ... msocoMD #CanonA #Awaves ... neck #cardiology
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Flutter on EKG ... leads: Sawtooth waves ... with positive "p waves ... & negative "P waves ... #ecg #ekg #electrocardiogram
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Flutter • Rapid ... inferior sawtooth waves ... • Negative F waves ... • Positive F waves ... #ecg #ekg #electrocardiogram
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Flutter on EKG ... leads: Sawtooth waves ... with positive "p waves ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Flutter on EKG ... leads: "Positive" waves ... & negative "P waves ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Atrial Flutter on ... EKG • Regularly-occurring ... waves) / min ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram
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
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Atrial Flutter on ... being the "c" wave ... waves at double ... #Flutter #Neck ... #PhysicalExam #JVP
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
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... diagnosis #cardiology #CVP