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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 questionnaire may be self-administered, [5] administered in person by a second party, [5] or administered over telephone. [11] The questionnaire can feasibly be used as any other neuropsychological test for assessment of concussions would, including following MTBI following accidents or sports-related injury.
This use of angiography as an indirect assessment tool is nowadays obsolete as modern non-invasive diagnostic methods are available to image many kinds of primary intracranial abnormalities directly. [7] It is still widely used however for evaluating various types of vascular pathologies within the skull.
Download as PDF; Printable version; ... Depression screening and assessment tools (22 P) M. Medical scoring system (1 C, ... Canadian CT head rule; Challacombe scale ...
A CT scan can be performed in under a second and produce rapid results for clinicians, with its ease of use leading to an increase in CT scans performed in the United States from 3 million in 1980 to 62 million in 2007. Clinicians oftentimes take multiple scans, with 30% of individuals undergoing at least 3 scans in one study of CT scan usage. [36]
Please introduce links to this page from ; try the Find link tool for suggestions. ( July 2024 ) 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 .
Fogging phenomenon in computerized tomography (CT) scanning of the head is vanishing signs of an infarct on the serial CT imaging in a patient with a recent stroke. [1] It is a reversal of the hypodensity on the CT after an acute ischemic stroke.
PET is probably most useful in early cases of certain dementias (with classic examples being Alzheimer's disease and Pick's disease) where the early damage is too diffuse and makes too little difference in brain volume and gross structure to change CT and standard MRI images enough to be able to reliably differentiate it from the "normal" range ...
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