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According to Prehn's sign, the physical lifting of the testicles relieves the pain of epididymitis but not pain caused by testicular torsion. [ 4 ] Negative Prehn's sign indicates no pain relief with lifting the affected testicle, which points towards testicular torsion which is a surgical emergency and must be relieved within 6 hours.
Phren, however, is not exclusively applied to humans. In Empedocles' system, Phren is a general psychological agent to which moral blame and praise can be extended, [ 4 ] that darts through the universe as effluences, steers and controls the cosmos in the process and is the measure of what is harmonious and what is fit to exist. [ 5 ]
Kehr's sign is the occurrence of acute pain in the tip of the shoulder due to the presence of blood or other irritants in the peritoneal cavity when a person is lying down and the legs are elevated. Kehr's sign in the left shoulder is considered a classic symptom of a ruptured spleen .
Brudziński's sign or a Brudziński sign is any of three medical signs, all of which may occur in meningitis or meningism. All three are named after Józef Brudziński . [ 1 ] In English, the name is often written without the diacritic (like many borrowed words) (Brudzinski) and is pronounced / b r uː ˈ dʒ ɪ n s k i / .
Frontal release signs are primitive reflexes traditionally held to be a sign of disorders that affect the frontal lobes.The appearance of such signs reflects the area of brain dysfunction rather than a specific disorder which may be diffuse, such as a dementia, or localised, such as a tumor.
Cranioscopy is a term created by Franz Joseph Gall (1758–1828), a German neuroanatomist and physiologist who was a pioneer in the study of the localization of mental functions in the brain, to name his technique to infer localization of function in the brain on the basis of the external anatomy of the skull or cranium.
In the context of a positive Hoover's sign, functional weakness (or "conversion disorder") is much more likely than malingering or factitious disorder. [3] Strong hip muscles can make the test difficult to interpret. [4] Efforts have been made to use the theory behind the sign to report a quantitative result. [5]
The psoas sign, also known as Cope's sign (or Cope's psoas test [1]) or Obraztsova's sign, [2] is a medical sign that indicates irritation to the iliopsoas group of hip flexors in the abdomen, and consequently indicates that the inflamed appendix is retrocaecal in orientation (as the iliopsoas muscle is retroperitoneal).