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A pontine, or brain stem hemorrhage, produces a pinpoint pupil because the fibers in the brain are unaffected. Therefore, dilation is interrupted, causing the pinpoint, but eyes can look relatively normal.
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What can cause you to have pinpoint pupils?
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. Organophosphate poisoning 3. Pontine haemorrhage
Why pontine lesion cause pinpoint pupil?
the SNS fibers that dilate the eyes run down the brainstem here, and if compressed you get PNS overdrive that constricts the pupils but they are still reactive to light.
Can lithium overdose produce pinpoint pupil?
no lithium, as in lithium carbonate does not cause pinpoint pupil, however it causes tremors, weight gain, edema because of the water retention and it also decreases sexual function
What is pontine haemorrhage?
Pontine hemorrhage is a bleeding which occurs in pons. CT Brain is diagnostic... Organophosphate poisoning is ingestion of insect poison. these two has the same clinical picture of "constricted pin point pupil". But in opc poisoning we can smell the kerosene like odor from patient mouth and excessive salivation & secretion will be there..
Ten year child with high fever had an syncope attack early in the morning and pupil was pinpoint?
Take them to a doctor.
What is a homograph for pupil?
A homograph for "pupil" is "pupil." It can refer to a student or it can refer to the opening in the center of the eye through which light enters.
Is there a drug that causes pinpoint pupils?
The drugs that most commonly cause constricted pupils or "Pinpoint" are strong opiods such as Heroin, morphine, oxycodone, or high doses of norco / vicodin.
What is the possessive noun for pupil?
Pupil's The pupil's mother came to school.
What is the black hole in the center of the iris?
The black circle in the middle of the iris in your eye is called a pupil. It dilates to adjust with sunlight.
What illegal drugs cause pinpoint pupils?
Listing them all would be time-consuming so lets put it this way. Drugs can cause a pupil to change in two ways by dilation making the pupil larger or constricting the pupils. Only two drugs constrict the pupils those being opiates and alcohol. So anything but, these can cause the pupils to dilate.
What is the homograph word for pupil?
A homograph for "pupil" is "pupil," which can also refer to the small, dark hole in the center of the eye.
The opening through which light enters the eye?
The pupil allows light to enter the eye.
