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A neurological examination is the assessment of sensory neuron and motor responses, especially reflexes, to determine whether the nervous system is impaired. This typically includes a physical examination and a review of the patient's medical history, [1] but not deeper investigation such as neuroimaging.
The route of administration is sometimes simply referred to as "intrathecal"; however, the term is also an adjective that refers to something occurring in or introduced into the anatomic space or potential space inside a sheath, most commonly the arachnoid membrane of the brain or spinal cord [1] (under which is the subarachnoid space).
In 2008, a genetic ataxia blood test developed to test for 12 types of SCA, Friedreich's ataxia, and several others. However, since not every SCA has been genetically identified some SCAs are still diagnosed by neurological examination, which may include a physical exam, family history, MRI scanning of the brain and spine, and spinal tap. [12]
Romberg's test is not a test of cerebellar function, as it is commonly misconstrued. Patients with severe cerebellar ataxia will generally be unable to balance even with their eyes open; [ 6 ] therefore, the test cannot proceed beyond the first step and no patient with cerebellar ataxia can correctly be described as Romberg's positive.
It can cause headaches, made worse by standing, moving and coughing, [33] as the low CSF pressure causes the brain to "sag" downwards and put pressure on its lower structures. [33] If a leak is identified, a beta-2 transferrin test of the leaking fluid, when positive, is highly specific and sensitive for the detection for CSF leakage. [34]
In 2010, a neuroanatomical basis of Waddell's signs has been proposed which argues that since the brain is organic, and even society is composed of a group of organic beings, the term "nonorganic" should be replaced by a term put forward by Chris Spanswick in 1997, "behavioral responses to physical examination."
While similar to the blood–brain barrier in function and morphology, it is physiologically independent and has several distinct characteristics. [1] The BSCB is involved in many disorders affecting the central nervous system, including neurodegenerative diseases, pain disorders, and traumatic spinal cord injury. In conjunction with the blood ...
The lumbar cistern is part of the subarachnoid space.It is the space within the thecal sac which extends from below the end of the spinal cord (the conus medularis), typically at the level of the first to second lumbar vertebrae down to tapering of the dura at the level of the second sacral vertebra.