5 results
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... a wave - Atrial ... Atrioventricular dissociation ... - Large cv waves ... #Waveforms #JVP
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
patient with AV dissociation ... contraction of atria ... #waves #AV #dissociation ... #JVP #jugular # ... neck #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... AV dissociation ... for DDI and an atrial ... #Neck #PhysicalExam ... #JVP #Clinical
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... are enough to diagnose ... that’s called “clinical ... #PhysicalExam #JVP ... #Cardiology #Neck