5 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
patient with AV dissociation ... → pressure wave ... #Awaves #waves ... #AV #dissociation ... #jugular #neck
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... a wave - Atrial ... dissociation, ventricular ... #Jugular #Waveforms ... #JVP #Differential
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... Atrioventricular dissociation ... a wave usually occurs ... it indicates AV dissociation ... #AWaves #diagnosis
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 ... waves are enough ... #Awaves #AVNRT ... #Cardiology #Neck
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Abnormal Jugular ... Outward Wave / ... Sign • Not with ... Every Beat - Cannon ... 'A' Inward Wave