Lloyd's sign
Lloyd's Sign
Lloyd's sign, also known as Lloyd's test or Lloyd's punch, is a medical test used in the examination of the kidney. It is named after the British surgeon, Sir George Thomas Beatson Lloyd, who first described it in 1907.
Pronunciation
Lloyd's sign: /ˈlɔɪdz saɪn/
Etymology
The term "Lloyd's sign" is derived from the name of its discoverer, Sir George Thomas Beatson Lloyd, a British surgeon who made significant contributions to the field of urology.
Definition
Lloyd's sign is a clinical sign which is positive when percussion (tapping) over the area of the kidney (the costovertebral angle) results in pain. This sign is often indicative of renal pathology, such as kidney infection or kidney stone.
Related Terms
- Renal pathology: The study and diagnosis of diseases involving the kidneys.
- Kidney infection: A type of urinary tract infection that begins in the urethra or bladder and travels up into the kidneys.
- Kidney stone: A hard deposit made of minerals and salts that form inside the kidneys.
- Costovertebral angle: The angle formed on either side of the human back between the twelfth rib and the vertebral column.
- Percussion (medicine): A method of tapping on a surface to determine the underlying structure.
External links
- Medical encyclopedia article on Lloyd's sign
- Wikipedia's article - Lloyd's sign
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