JVP waveform Flashcards
1
Q
What does large ‘a’ wave in JVP waveform mean?
A
Cor pulmonale
2
Q
What does absent a wave mean?
A
Atrial Fibrillation
3
Q
What are the components of the JVP waveform and what do they represent?
A
Mnemonic: acxvy
a wave - atrial contraction (end diastole)
c wave - tricuspid valve bulging (early systole)
x descent - atrial relaxation (mid systole)
v wave - atrial filling (late systole)
y descent - ventricular filling (early diastole)
4
Q
What does cannon a waves mean?
A
Complete heart block
Ventricular arrhythmia/ectopics
5
Q
What does large a waves mean?
A
Pulmonary HTN
6
Q
What is the sign for rise in JVP in inspiration in patients with constrictive pericarditis mean?
A
Kussmaul sign
7
Q
What does large v wave mean?
A
Tricuspid regurgitation
