Nixon's sign
Nixon's Sign
Nixon's Sign (pronunciation: Nix-on's Sign) is a clinical sign used in the field of medicine to help diagnose certain cardiovascular conditions.
Etymology
The term is named after Dr. John Nixon, a renowned cardiologist who first described the sign in the late 20th century.
Definition
Nixon's Sign refers to a specific physical finding on examination of the jugular venous pulse (JVP). It is characterized by a prominent 'a' wave in the JVP, which is indicative of right atrial pressure overload or tricuspid stenosis.
Related Terms
- Jugular venous pulse: The visual bulging of the jugular veins in the neck due to increased pressure in the right atrium of the heart.
- Tricuspid stenosis: A narrowing of the tricuspid valve in the heart, which can lead to right atrial pressure overload.
- Cardiovascular: Pertaining to the heart and blood vessels.
- Cardiologist: A doctor who specializes in diagnosing and treating diseases of the heart and blood vessels.
See Also
External links
- Medical encyclopedia article on Nixon's sign
- Wikipedia's article - Nixon's sign
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