9 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... AV dissociation ... wave in the JV. ... #AV #dissociation ... #clinical #video
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 ... AV dissociation ... #Clinical #Video
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually occurs ... , it indicates AV ... atrial activation from ... #AWaves #diagnosis
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular Venous ... - Absent a wave ... pulmonic stenosis - Cannon ... dissociation, ventricular ... Jugular #Waveforms #JVP
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 ... to diagnose the ... that’s called “clinical ... #Awaves #AVNRT
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
venous pulse of ... constant cannon ... a wave. ... #PhysicalExam #JVP ... #Clinical #Video
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... you see in the venous ... the underlying diagnosis ... #PhysicalExam #Clinical ... #Video #Cardiology
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
Interpretation Central venous ... Classic “cannon ... (↓ RV filling from ... Interpretation #Diagnosis ... #Cardiology #Venous
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(> 160ms) - AV ... dissociation (P ... - The distance from ... VentricularTachycardia #Versus ... ekg #cardiology #diagnosis