11 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... wave in the JV. ... #JVP #jugular # ... neck #cardiology ... #Canon
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 ... #AWaves #Neck # ... PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon ... a wave usually occurs ... #AWaves #diagnosis ... #cardiology #CVP
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... ... regular cannon ... a waves in AVNRT ... EMdoc @EMdoc14 #CannonA ... #JVP #Cardiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
a wave - Atrial ... waves - Tricuspid ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #Waveforms #JVP
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? ... #HeartBlock #PhysicalExam
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... rapid cannon a ... #Awaves #AVNRT ... #PhysicalExam #JVP ... #Cardiology #Neck
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
wave - due to atrial ... the y descent cannot ... #Waves #Jugular ... #Waveforms #JVP ... #PhysicalExam #cardiology
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Outward Wave / ... with Every Beat - Cannon ... 'A' Inward Wave ... #Jugular #Venous ... #cardiology #physicalexam
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
wave, revealing ... c” wave as A and ... constant cannon ... a wave. ... #PhysicalExam #JVP