21 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 ... #waves #AV #dissociation ... #jugular #neck
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Absent a wave ... waves - Atrial ... block - Large a waves ... - Large cv waves ... #Waveforms #JVP
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 ... leads: "Positive" waves ... & negative "P waves
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 ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
inferior sawtooth waves ... • Negative F waves ... • Positive F waves ... #ecg #ekg #electrocardiogram ... cardiology #clinical #diagnosis
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... shown , what’s the diagnosis ... a waves in AVNRT ... EMdoc14 #CannonA #AWaves ... #JVP #Cardiology
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
waves in the inferior ... waves in the inferior ... waves. ... #Diagnosis #ECG ... #EKG #Cardiology
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 ... waves on inspiration ... #Flutter #Neck
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 ... #ecg #ekg #electrocardiogram ... cardiology #clinical #diagnosis