Litten's sign
Litten's Sign
Litten's sign (/ˈlɪtən/; from the German physician Moritz Litten) is a clinical sign used in medicine to indicate retinal hemorrhages associated with subarachnoid hemorrhage. It is named after the German physician Moritz Litten who first described it in 1881.
Pronunciation
The term is pronounced as "LIT-en".
Etymology
The term "Litten's sign" is named after the German physician Moritz Litten, who first described this clinical sign in 1881.
Definition
Litten's sign is a clinical sign that is used to indicate the presence of retinal hemorrhages in patients with subarachnoid hemorrhage. It is a sign of increased intracranial pressure and is often seen in patients with severe head trauma or brain injury.
Related Terms
- Subarachnoid hemorrhage: A type of stroke caused by bleeding in the space surrounding the brain.
- Retinal hemorrhage: Bleeding into the retina, the light-sensitive tissue at the back of the eye.
- Intracranial pressure: The pressure inside the skull and thus in the brain tissue and cerebrospinal fluid.
- Moritz Litten: A German physician who first described Litten's sign.
See Also
- Terson's syndrome: A similar condition where retinal hemorrhages occur due to subarachnoid hemorrhage.
- Roth's spots: Retinal hemorrhages with white or pale centers, often associated with bacterial endocarditis.
External links
- Medical encyclopedia article on Litten's sign
- Wikipedia's article - Litten's sign
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