8 results
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... shown , what’s the diagnosis ... a waves in AVNRT ... #AWaves #AVNRT ... #JVP #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually ... activation from SVT (e.g ... #AWaves #diagnosis ... #cardiology #CVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential ... Diagnosis - Absent ... pulmonic stenosis - Cannon ... - Large cv waves ... #JVP #Differential
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
have elevated JVP ... in the venous waveform ... amzn.to/2LmUODZ #AWaves ... #Giant #PHTN #JVP ... #Neck #PhysicalExam
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... a waves are enough ... to diagnose the ... #Awaves #AVNRT ... #PhysicalExam #JVP
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... venous pressure (CVP ... Classic “cannon ... MD @rishimd #CVP ... #Waveform #Interpretation
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
venous pressure (CVP ... artery pressure – CVP ... = [mean PAp – CVP ... diastole) ● c wave ... #CheatSheet #Waveforms
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
ICP WAVEFORM INTERPRETATION ... called Lundberg waves ... • LUNDBERG A WAVES ... • LUNDBERG B WAVES ... #neurosurgery #diagnosis