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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 ...
Chronic paroxysmal hemicrania. Chronic paroxysmal hemicrania ( CPH) is a severe debilitating unilateral headache usually affecting the area around the eye. It normally consists of multiple severe, yet short, headache attacks affecting only one side of the cranium. Retrospective surveys indicated that paroxysmal hemicrania was more common in ...
Profound unilateral hearing loss is a specific type of hearing loss when one ear has no functional hearing ability (91 dB or greater hearing loss). People with profound unilateral hearing loss can only hear in monaural (mono). Profound unilateral hearing loss or single-sided deafness, SSD, makes hearing comprehension very difficult.
A 40-watt CO 2 laser used in otorhinolaryngology Royal National Throat, Nose and Ear Hospital founded in 1874, in London. Otorhinolaryngology (/ oʊ t oʊ ˌ r aɪ n oʊ ˌ l ær ɪ n ˈ ɡ ɒ l ə dʒ i / oh-toh-RY-noh-LARR-in-GOL-ə-jee, abbreviated ORL and also known as otolaryngology, otolaryngology – head and neck surgery (ORL–H&N or OHNS), or ear, nose, and throat (ENT) ) is a ...
Eustachian tube labelled as auditory tube. The Eustachian tube ( / juːˈsteɪʃən / ), also called the auditory tube or pharyngotympanic tube, [ 1] is a tube that links the nasopharynx to the middle ear, of which it is also a part. In adult humans, the Eustachian tube is approximately 35 mm (1.4 in) long and 3 mm (0.12 in) in diameter. [ 2]
Cerebrospinal fluid leak. 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 ...
An upper respiratory tract infection ( URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [ 3][ 4] This commonly includes nasal obstruction, sore throat, tonsillitis, pharyngitis, laryngitis, sinusitis, otitis media, and the common cold. [ 5]: 28 ...
The ICD-10 Procedure Coding System (ICD-10-PCS) is a US system of medical classification used for procedural coding.The Centers for Medicare and Medicaid Services, the agency responsible for maintaining the inpatient procedure code set in the U.S., contracted with 3M Health Information Systems in 1995 to design and then develop a procedure classification system to replace Volume 3 of ICD-9-CM.