One's pupils get smaller in bright light. An extremely bright light can make the pupils become quite small, like a pinpoint. Special situations which can produce pinpoint pupil other than light are: ･ 1. Opium overdose ･ 2. Organophosphat...
http://wiki.answers.com/Q/What_can_cause_you_to_have_pi...
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The drugs that most commonly cause constricted pupils or "Pinpoint" are strong opiods such as Heroin, morphine, oxycodone, or high doses of norco / vicodin.
http://wiki.answers.com/Q/What_drugs_cause_pinpoint_pup...
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Recall that the pupil should be mid-range and reactive under normal lighting conditions. When subjected to bright light, the pupil will constricted to reduce the volume of light entering the iris. In darkness the pupil will dilate to allow ...
http://theemtspot.com/2009/04/23/rapid-diagnosis-pinpoi...
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Related information on causes of Pupils, nonreactive: ... Opiates, such as heroin and morphine, cause pinpoint pupils with a minimal light response that can be seen only with a magnifying glass. Atropine poisoning produces widely dilated, nonreactive pupils.
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www.wrongdiagnosis.com/p/pupils_nonreactive/causes.htm
www.wrongdiagnosis.com/p/pupils_nonreactive/causes.htm
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Hypoxia typically causes the patient to become anxious and agitated. Hypercarbia, ... Pinpoint pupils (miosis) are often thought to be the hallmark sign of narcotic overdose. This is true for many narcotics, including morphine, heroin and codeine; however, not all narcotics cause the classic pinpoint pupil presentation.
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publicsafety.com/article/article.jsp?id=3685&siteSectio...
publicsafety.com/article/article.jsp?id=3685&siteSection=6
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Pupils Dilate to Pinpoint: The Contradiction in Requiem for a Dream ... Heroin intoxication causes pinpoint pupils, heroin withdrawal causes dilated pupils, and never can the two states occur together. At some point Aronofsky got his information crossed and never sorted it out.
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www.litmuszine.com/culture_dish/1.22.07.html
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Hypoxia causes vasodilatation with significant increase in CBF. ... Pupillary size could suggest the level of the injury. Pinpoint pupils are present in pontine lesions. Pupils that are mid position and nonreactive to light but maintain hippus and response to accommodation indicate midbrain tectum injury.
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www.emedicine.com/ped/topic929.htm
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Pupil size, symmetry, reactivity: After ABCs (airway, breathing and circulation) and spine immobilization, the pupils are checked. Tiny pinpoint pupils are commonly caused by opiates. Pontine lesions may also cause pinpoint pupils, ... The popular mnemonic TIPPS on the VOWELS lists the frequent causes of coma.
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www.aan.com/familypractice/html/chp10.htm
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It is asking: Assessment findings of pinpoint pupils, varied responses to painful stimuli and absent reflexes most likely indicates which of the following: a. Permanent vegetative state b. Locked in Syndrome c. Coma d. Brain Death;
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allnurses.com/neuro-intensive-care/pinpoint-pupils-6998...
allnurses.com/neuro-intensive-care/pinpoint-pupils-69986.html
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