9 results
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... The a wave is the ... a waves”! ... a waves? ... #AWaves #Complete
Canon A waves on Physical Examination

Associated with complete heart block. Notice the relatively slow HR. Echocardiography
Canon A waves on ... Associated with complete ... #Awaves #CanonA ... #Waves #Clinical ... #cardiology #JVP
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... a waves! ... Cannon a waves indicate ... #AWaves #Neck # ... PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually ... activation from ... #AWaves #diagnosis ... #cardiology #CVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
waves - Atrial ... flutter - Prominent ... pulmonic stenosis - Cannon ... Jugular #Waveforms #JVP ... Differential #Diagnosis #PhysicalExam
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Atrial Flutter on ... waves at double ... like a constant cannon ... a wave. ... #PhysicalExam #JVP
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 ... a waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Components • a wave ... • c wave - caused ... • v wave - results ... #Waves #Jugular ... #Waveforms #JVP
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
fibrillation/flutter ... Classic “cannon ... waves” caused by ... systole). ↑ in TR from ... (↓ RV filling from