7 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... against a closed tricuspid ... Atrioventricular dissociation ... it indicates AV dissociation ... #AWaves #diagnosis
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential Diagnosis ... waves - Atrial ... pulmonic stenosis - Cannon ... dissociation, ventricular ... Jugular #Waveforms #JVP
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... patient with AV dissociation ... contraction of atria ... #AV #dissociation ... clinical #video #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 ... AV dissociation ... #AWaves #Neck # ... PhysicalExam #JVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... the atria and ventricles ... to diagnose the ... #Awaves #AVNRT ... #PhysicalExam #JVP
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Atrial Flutter on ... 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
ventricle (RV), tricuspid ... fibrillation/flutter ... forward flow like tricuspid ... Classic “cannon ... Interpretation #Diagnosis