11 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 ... #clinical #video ... neck #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves indicate ... for DDI and an atrial ... #AWaves #Neck # ... PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... a wave usually occurs ... + retrograde atrial ... #AWaves #diagnosis
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... due to atrial contraction ... a waves”! ... a waves? ... #JVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure ... - Atrial flutter ... dissociation, ventricular ... Jugular #Waveforms #JVP ... #PhysicalExam #
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Atrial Flutter on ... like a constant cannon ... JamesOngMD #Atrial ... #PhysicalExam #JVP ... #Clinical #Video
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
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Abnormal Jugular ... Outward Wave / ... with Every Beat - Cannon ... 'A' Inward Wave ... #cardiology #physicalexam
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
following the wave ... that the giant A waves ... causing the A waves ... #Neck #PhysicalExam ... #Clinical #Video
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
or right atrial ... diastole): lost in atrial ... to disorganized atrial ... Classic “cannon ... obtained for LEFT atrial