8 results
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 ... #AWaves #AVNRT
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
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... - Absent a wave ... - Prominent a waves ... pulmonic stenosis - Cannon ... #Jugular #Waveforms
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... dissociation • The cannon ... a wave usually ... amzn.to/2LmUODZ #Cannon ... #AWaves #diagnosis
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... rapid cannon a ... waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... Components • a wave ... the y descent cannot ... #Waves #Jugular ... #Waveforms #JVP
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Abnormal Jugular ... Wave / Peak • ... with Every Beat - Cannon ... 'A' Inward Wave ... #diagnosis #cardiology
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... Classic “cannon ... waves” caused by ... block) - ‘c’ wave ... #Waveform #Interpretation