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Cortical blindness is the total or partial loss of vision in a normal-appearing eye caused by damage to the brain 's occipital cortex. [ 1] Cortical blindness can be acquired or congenital, and may also be transient in certain instances. [ 2] Acquired cortical blindness is most often caused by loss of blood flow to the occipital cortex from ...
Conversion disorder (CD), or functional neurologic symptom disorder, is a diagnostic category used in some psychiatric classification systems.It is sometimes applied to patients who present with neurological symptoms, such as numbness, blindness, paralysis, or fits, which are not consistent with a well-established organic cause, which cause significant distress, and can be traced back to a ...
E973 Injury due to legal intervention by blunt object; E974 Injury due to legal intervention by cutting and piercing instrument; E975 Injury due to legal intervention by other specified means; E976 Injury due to legal intervention by unspecified means; E977 Late effects of injuries due to legal intervention; E978 Legal execution
The Marcus Gunn pupil is a relative afferent pupillary defect indicating a decreased pupillary response to light in the affected eye. [3] In the swinging flashlight test, a light is alternately shone into the left and right eyes. A normal response would be equal constriction of both pupils, regardless of which eye the light is directed at.
ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [ 1] Work on ICD-10 began in 1983, [ 2 ...
Epilepsy is a group of non-communicable neurological disorders characterized by recurrent epileptic seizures. [ 10] An epileptic seizure is the clinical manifestation of an abnormal, excessive, and synchronized electrical discharge in the neurons. [ 1] The occurrence of two or more unprovoked seizures defines epilepsy. [ 11]
Convulsion. A convulsion is a medical condition where the body muscles contract and relax rapidly and repeatedly, resulting in uncontrolled shaking. [ 1] Because epileptic seizures typically include convulsions, the term convulsion is often used as a synonym for seizure. [ 1] However, not all epileptic seizures result in convulsions, and not ...
The International Classification of Diseases, Clinical Modification (ICD-9-CM) was an adaptation created by the US National Center for Health Statistics (NCHS) and used in assigning diagnostic and procedure codes associated with inpatient, outpatient, and physician office utilization in the United States. The ICD-9-CM is based on the ICD-9 but ...