11 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... in the JV. ... #JVP #jugular # ... neck #cardiology ... #Canon
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure ... a wave - Atrial ... waves - Atrial ... pulmonic stenosis - Cannon ... #Waveforms #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 ... Cannon a waves indicate ... for DDI and an atrial ... PhysicalExam #JVP
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... fever, what’s the clinical ... ... regular cannon ... EMdoc @EMdoc14 #CannonA ... #JVP #Cardiology
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 ... due to atrial contraction ... this results in “cannon ... #Video #JVP
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... - due to atrial ... the y descent cannot ... #Waves #Jugular ... #Waveforms #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... + retrograde atrial ... #AWaves #diagnosis ... #cardiology #CVP
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 ... #Flutter #Neck ... #PhysicalExam #JVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... transmitted to JV ... rapid cannon a ... #PhysicalExam #JVP ... #Cardiology #Neck
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
have elevated JVP ... waveform? ... #Giant #PHTN #JVP ... #Neck #PhysicalExam ... #Cardiology