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Computed tomography (CT) has become the diagnostic modality of choice for head trauma due to its accuracy, reliability, safety, and wide availability. The changes in microcirculation, impaired auto-regulation, cerebral edema, and axonal injury start as soon as head injury occurs and manifest as clinical, biochemical, and radiological changes.
The Canadian CT head rule (abbreviated CCTHR or CCHR; also sometimes referred to as the Canadian Computed Tomography Head Rule) [1][2] is a medical scale used to decide whether patients with minor head injuries should undergo cranial CT scans. It was originally described by Stiell et al. in a paper published in the Lancet in 2001, in which they ...
Headache, also known as cephalalgia, is the symptom of pain in the face, head, or neck. It can occur as a migraine, tension-type headache, or cluster headache. [1][2] There is an increased risk of depression in those with severe headaches. [3] Headaches can occur as a result of many conditions. There are a number of different classification ...
Migraine (UK: / ˈ m iː ɡ r eɪ n /, US: / ˈ m aɪ-/) [1] [2] is a genetically-influenced complex neurological disorder characterized by episodes of moderate-to-severe headache, most often unilateral and generally associated with nausea and light and sound sensitivity.
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Medical condition Subarachnoid hemorrhage Other names Subarachnoid haemorrhage CT scan of the brain showing subarachnoid hemorrhage as a white area in the center (marked by the arrow) and stretching into the sulci to either side Pronunciation / ˌ s ʌ b ə ˈ r æ k n ɔɪ d ˈ h ɛ m ər ɪ dʒ / Specialty Neurosurgery, Neurology Symptoms Severe headache of rapid onset, vomiting, decreased ...
A traumatic brain injury (TBI), also known as an intracranial injury, is an injury to the brain caused by an external force. TBI can be classified based on severity ranging from mild traumatic brain injury (mTBI/concussion) to severe traumatic brain injury. [ 5 ] TBI can also be characterized based on mechanism (closed or penetrating head ...
Orthostatic headache. Location of cerebral spinal fluid within the brain. Orthostatic headache is a medical condition in which a person develops a headache while vertical and the headache is relieved when horizontal. [1][2] Previously it was often misdiagnosed as different primary headache disorders such as migraine or tension headaches.
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