9 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... travels up the venous ... #Awaves #waves ... clinical #video #JVP ... #jugular #neck
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure ... pulmonic stenosis - Cannon ... dissociation, ventricular ... - Large cv waves ... #JVP #Differential
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually occurs ... activation from SVT (e.g ... #AWaves #diagnosis ... #cardiology #CVP
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Abnormal Jugular ... (JVP) Algorithm ... Outward Wave / ... 'A' Inward Wave ... @saipeeps #JVP
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
have elevated JVP ... you see in the venous ... waveform? ... #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 ... pressure (CVP) ... Classic “cannon ... MD @rishimd #CVP ... #Diagnosis #Cardiology
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
pressure (CVP) ... artery pressure – CVP ... = [mean PAp – CVP ... diastole) ● c wave ... ● v wave: ventricular
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... reabsorption) Workup ... heparinized tube) • ECG ... bradycardia → sine wave ... hypertonic Amp IVP