Mindblown: a blog about philosophy.
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Halo vest
A device used to immobilize the head and cervical spine following vertebral injury or surgery, designed to provide inline traction of the cervical spine while allowing for a moderate amount of functional independence. The halo vest consists of three parts : 1 ) t he halo, which is secured into the skull through the use…
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Halo symptom
The perception of one or more colored circles around lights, seen by patients with glaucoma or cataract.
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Senile peripapillary halo
A ring of choroidoretinal atrophy around the head of the optic nerve, a condition that may occur in the aged.
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Glaucomatous halo
The visual perception of rainbow-like colors around lights, caused by glaucoma-induced corneal edema.
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Fick’s halo
A colored halo around light observed by some persons as a result of wearing contact lenses.
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Hallux limitus
Limitation of range of motion of the first metatarsophalangeal joint, usually with arthritic degeneration of the joint and pain. The most advanced form of hallux limitus is called hallux rigidus.
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Hallux varus
Displacement of the great toe away from the other toes. The big toe moving away from the other toes.
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Hallux dolorosus
Pain in the metatarsophalangeal joint of the great toe resulting from flatfoot.
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Acute alcoholic hallucinosis
Alcohol withdrawal, marked by visual hallucinations, extreme agitation, tachycardia, hypertension, and other signs and symptoms of cerebral and autonomic hyperactivity.
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Visual hallucination
The sensation of seeing objects that are not really there. This is a hallmark of alcohol and drug withdrawal and of other medical illnesses that adversely affect the brain.
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