lungi
Forum Newbie
Topics: 5
Posts: 14
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Dear friends...I have one question that I can not understand through my own logic...I am sure you genious guys would be able to explain this to me properly....Thanks in advance
what is the standard placement for c wave in JVP in relation to the normal cardiac cycle, more specifically in relation to the aortic valve???? c wave is due to the closure and bulging of Tricuspid valve in to the Right atrium at the begining of Ventricular systole. And at the begining of systole, Aortic valve is closed due to Isometric contraction...so I think it should be before the opening of the aortic valve....But I have just learned that actually it is just after the opening of the aortic valve....This has given me little confusion....
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| Leopard
Forum Guru
Topics: 30
Posts: 401
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This is not absolutely wrong.
C-wave is has two parts
- initial part (minor part) = due to buldging of tricuspid valve into the right atrium
- Later (major part) = due to Carotid artifact (which is after aortic valve opening)
So it is not strange that you got such statement.
Best of luck
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| fox
Forum Guru
Topics: 70
Posts: 727
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back with a bang! leopard....good expln.
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| paganini
Forum Senior
Topics: 26
Posts: 159
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Name a disorder that causes a giant c wave with each systole?
Hint: Larger v wave also caracterize this condition
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| dr_neonatology
Forum Senior
Topics: 11
Posts: 66
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Giant V wave ,due to increased Rt atrial pressure, Tricuspid stenosis?
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| paganini
Forum Senior
Topics: 26
Posts: 159
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The answer is Tricuspid Regurgitation.
In tricuspid stenosis you are going to see a prominet a wave due to contraction of the atria against the stenotic valve, whereas in tricuspid regurgitation there is a prominent v wave due to regurgitacion of ventricular blood into the systemic veins.
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