Oliver's sign
Oliver's Sign
Oliver's Sign (pronounced: oh-liv-erz-sine) is a clinical sign in medicine that is used to diagnose certain cardiovascular conditions. It is named after the British physician, Thomas Oliver, who first described it in the late 19th century.
Etymology
The term "Oliver's Sign" is derived from the name of its discoverer, Thomas Oliver. Oliver was a British physician who made significant contributions to the field of cardiology. The "sign" in the term refers to a clinical sign, which is an objective indication of some medical fact or characteristic that may be detected by a physician during a physical examination.
Definition
Oliver's Sign is a clinical sign that is observed in patients with severe aortic regurgitation. It is characterized by a noticeable decrease in the pulse pressure in the carotid arteries when the patient's head is raised.
Related Terms
- Aortic Regurgitation: A condition where the aortic valve does not close tightly, causing blood to flow backward into the left ventricle.
- Pulse Pressure: The difference between the systolic and diastolic blood pressure.
- Carotid Arteries: The major blood vessels in the neck that supply blood to the brain, neck, and face.
- Clinical Sign: An objective indication of a disease or disorder that can be observed or measured by a healthcare professional.
See Also
External links
- Medical encyclopedia article on Oliver's sign
- Wikipedia's article - Oliver's sign
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