7 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... contraction of atria ... travels up the venous ... #Awaves #waves ... #jugular #neck
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... is shown on the neck ... diastole, when the tricuspid ... a waves”! ... a waves?
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure ... a wave - Atrial ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #JVP #Differential
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... a waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually occurs ... activation from ... #AWaves #diagnosis ... #cardiology #CVP
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Neck Examination ... AVNRT would show ... like a constant cannon ... #Flutter #Neck ... #PhysicalExam #JVP
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... Interpretation Central venous ... Classic “cannon ... #Diagnosis #Cardiology ... #Venous