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The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache -related disorders published by the International Headache Society. [1] It is considered the official classification of headaches by the World Health Organization, and, in 1992, was incorporated into the 10th edition of their ...
Prolonged grief disorder (PGD), also known as complicated grief (CG), [1] traumatic grief (TG) [2] and persistent complex bereavement disorder (PCBD) in the DSM-5, [3] is a mental disorder consisting of a distinct set of symptoms following the death of a family member or close friend (i.e. bereavement). People with PGD are preoccupied by grief ...
This headache often pulsates towards the occiput (the back of the head). [11] About one-third of people have no symptoms apart from the characteristic headache, and about one in ten people who seek medical care with this symptom are later diagnosed with a subarachnoid hemorrhage. [4] Vomiting may be present, and 1 in 14 have seizures. [4]
Neurology. A cerebrospinal fluid leak (CSF leak or CSFL) is a medical condition where the cerebrospinal fluid (CSF) that surrounds the brain and spinal cord leaks out of one or more holes or tears in the dura mater. [1] A CSF leak is classed as either spontaneous (primary), having no known cause (sCSF leak), or nonspontaneous (secondary) where ...
The classification of all headaches, including migraines, is organized by the International Headache Society, and published in the International Classification of Headache Disorders (ICHD). The current version, the ICHD-3 beta, was published in 2013. [1] The first category within the ICHD is Migraine. Migraines in general are considered to be a ...
Spinocerebellar ataxia (SCA) is a progressive, degenerative, [ 1 ] genetic disease with multiple types, each of which could be considered a neurological condition in its own right. An estimated 150,000 people in the United States have a diagnosis of spinocerebellar ataxia at any given time. SCA is hereditary, progressive, degenerative, and ...
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 ...
A thunderclap headache is a headache that is severe and has a sudden onset. It is defined as a severe headache that takes seconds to minutes to reach maximum intensity. [1] [2] Although approximately 75% are attributed to "primary" headaches—headache disorder, non-specific headache, idiopathic thunderclap headache, or uncertain headache disorder—the remainder are secondary to other causes ...