9 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... dissociation + retrograde atrial ... activation from SVT (e.g ... #cardiology #CVP
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 ... PhysicalExam #JVP ... Clinical #Video #Cardiology
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 ... EKG of the same ... #PhysicalExam #JVP ... #Cardiology #Neck
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... leads indicates atrial ... patients) stage 4 - ECG ... #IM #Cardiology ... #EKG #Pericarditis
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Atrial flutter ... pulmonic stenosis - Cannon ... Jugular #Waveforms #JVP ... Differential #Diagnosis #PhysicalExam ... #cardiology
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
- due to atrial ... - due to right atrial ... the y descent cannot ... #Waveforms #JVP ... #PhysicalExam #cardiology
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
look for flutter waves ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
Atrial Flutter on ... like a constant cannon ... Flutter #Neck #PhysicalExam ... #JVP #Clinical ... #Video #Cardiology
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... root, and left atrium ... should roughly ... Michael Macias, EM ... #Radiology #POCUS