Myerson's sign, Parkinson's disease, Amin & Shwani 2010
Dec 26, 2010 ... This 72-year-old patient was unable to resist blinking when we tapped on the glabella. This is the glabellar reflex or Myerson's sign . It is often ...
Procyclidine
Procyclidine is an anticholinergic drug principally used for the treatment of drug-induced parkinsonism, akathisia and acute dystonia; Parkinson disease; and idiopathic or secondary dystonia.
It i...
Procyclidine - Wikipedia
Abadie's sign of tabes dorsalis
Abadie's sign of tabes dorsalis may be elicited during clinical examination. Pinching of, or the application of firm pressure to, the Achilles tendon does not result in pain in tabes dorsalis. This is...
Supranational activation
Supranational activation is a process that occurs when cerebellar activation is decreased when an individual has a cerebellar ataxia.
Charcot's neurologic triad
Charcot's neurologic triad is the combination of nystagmus, intention tremor, and scanning or staccato speech. This triad is associated with multiple sclerosis, where it was first described; however, ...
Cerebellar activation
Cerebellar activation is a form of ataxia originating in the cerebellum.Cerebellar ataxia is an umbrella term used to define impairments associated with damage to the cerebellum; in which symptoms inc...
Hutchinson's pupil
Hutchinson's pupil is a clinical sign in which the pupil on the side of an intracranial mass lesion is dilated and unreactive to light, due to compression of the oculomotor nerve on that side. The sig...
Asterixis
Asterixis (also called the flapping tremor, or liver flap) is a tremor of the hand when the wrist is extended, sometimes said to resemble a bird flapping its wings. This motor disorder is characteriz...
Diadochokinesia
Diadochokinesia or diadochokinesis is the ability to make antagonistic movements in quick succession, alternately bringing a limb into opposite positions, as of flexion and extension or of pronation a...
Froment's sign
Froment's sign is a special test of the wrist. It tests for palsy of the ulnar nerve, specifically, the action of adductor pollicis. Froment sign can also refer to cogwheel effect seen in essentia...
Westphal's sign
Westphal's sign is the clinical correlate of the absence or decrease of patellar reflex or knee jerk. Patellar reflex or knee jerk is a kind of deep or stretch reflex where an application of a stimulu...
Westphal's sign - Wikipedia
Hyperreflexia
Hyperreflexia (or hyper-reflexia) is defined as overactive or overresponsive reflexes. Examples of this can include twitching or spastic tendencies, which are indicative of upper motor neuron disease ...
Macewen's sign
Macewen's sign or Macewen sign (/məˈkjuːɨn/) the is a sign used to help to diagnose hydrocephalus (accumulation of excess cerebrospinal fluid) and brain abscesses. Tapping (percussion) the skull near ...
Benzatropine
Benzatropine (INN), also known as benztropine (USAN, BAN), is an anticholinergic marketed under the trade name Cogentin which is used in the treatment of Parkinson's disease, Parkinsonism, and dystoni...
Benzatropine - Wikipedia
Cornell's sign
Cornell's sign is a clinical sign in which scratching along the inner side of the extensor hallucis longus tendon elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesio...
Ataxia
Ataxia (from Greek α- [a negative prefix] + -τάξις [order] = "lack of order") is a neurological sign consisting of lack of voluntary coordination of muscle movements. Ataxia is a non-specific clinical...
Gordon's sign
Gordon's sign is a clinical sign in which squeezing the calf muscle elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-like re...
Moniz sign
Moniz sign is a clinical sign in which forceful passive plantar flexion of the ankle elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of...
Meningism
Meningism is the triad of nuchal rigidity (neck stiffness), photophobia (intolerance of bright light) and headache. It is a sign of irritation of the meninges, such as seen in meningitis, subarachnoid...
Pronator drift
In medicine, pronator drift (also known as pyramidal drift) refers to a pathologic sign seen during a neurological examination. Jean Alexandre Barré is credited with having first described it thus it ...
Hoover's sign (leg paresis)
Hoover’s sign of leg paresis is one of two signs named for Charles Franklin Hoover.One is a maneuver aimed to separate organic from non-organic paresis of the leg. The sign relies on the principle of ...
Schaeffer's sign
Schaeffer's sign is a clinical sign in which squeezing the Achilles tendon elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-...
Schaeffer's sign - Wikipedia
Abnormal posturing
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury. It occurs when one set of muscles becomes incapacitated while the opposing set is not, ...
Abnormal posturing - Wikipedia
Akathisia
Common symptom-expression of akathisia.Akathisia, or acathisia (from Greek καθίζειν kathízein – "to sit", a- indicating negation or absence, lit. "inability to sit") is a movement disorder character...
Akathisia - Wikipedia
Hyperintensity
Hyperintensities refer to areas of high intensity on particular types of magnetic resonance imaging (MRI) scans of the human brain or that of other mammals. These small regions of high intensity are o...
Bing's sign
Bing's sign or Bing's reflex is a clinical sign in which pricking the dorsum of the foot or toe with a pin causes extension of the great toe. It is seen in patients with pyramidal tract lesions of the...
Miller Fisher test
The Miller Fisher Test (also known as the lumbar tap test) is used to decide whether shunting of cerebrospinal fluid (CSF) would be helpful in a patient with normal pressure hydrocephalus (NPH). The t...
Miller Fisher test - Wikipedia
Straight leg raise
The straight leg raise, also called Lasègue's sign, Lasègue test or Lazarević's sign, is a test done during the physical examination to determine whether a patient with low back pain has an underlying...
Straight leg raise - Wikipedia
Adiadochokinesia
Adiadochokinesia is a dyskinesia consisting of inability to perform the rapid alternating movements of diadochokinesia. Called also adiadochocinesia, adiadochokinesis, and adiadokokinesia. Compare wit...