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Doctor insights on: Pupillary Reflexes

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Will reflex sympathetic dystrophy cause fatigue?

Will reflex sympathetic dystrophy cause fatigue?

Possibly: This may not be a direct result of the complex regional pain syndrome but a result of the pain and reduction in overall function and quality of life caused by the condition. ...Read more

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Reflex sympathetic dystrophy symptoms?

Reflex sympathetic dystrophy symptoms?

A nerve disorder: Rsd is a progressive disease characterized by pain, swelling, color and temperature changes in an extremity (usually arm or leg). It is caused by impaired functioning of the autonomic nervous system. Patients can loose function of the affected extremity and it can spread to the unaffected side. Symptoms often manifest after a previous traumatic injury to the area. Treatment is multi-modal. ...Read more

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What is afferent pupillary defect?

What is afferent pupillary defect?

Marcus-Gunn pupil: An afferent pupillary defect indicates a lesion in the afferent limb (retina or optic nerve) of the pupillary reflex. Such a lesion is best appreciated on the "swinging flashlight test." a lesion in the left optic nerve will decrease the perceived illumination in that eye, and when the flashlight is swung from the right to the left eye, the left pupil will appear to dilate slightly. ...Read more

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Could hypocalcemia cause pupil dilation and a sluggish pupil response to light?

Could hypocalcemia cause pupil dilation and a sluggish pupil response to light?

Hypocalcemia: A complete list of the symptoms of hypocalcemia (h) can be found at this link: http://www.Clevelandclinicmeded.Com/medicalpubs/diseasemanagement/endocrinology/hypocalcemia/. Pupil dilation and and a sluggish pupil are not some of the symptoms of h. ...Read more

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What's reflex sympathetic dystrophyk?

What's reflex sympathetic dystrophyk?

Pain following injur: Reflux sympathetic dystrophy is a condition usually follows injury affects mostly hands and feet. This condition usually progresses through different phases. Definitive cause is unknown. It can happen with or without nerve injury. Treatments available. ...Read more

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Asymmetrical eye dilation, dizzy spells?

Asymmetrical eye dilation, dizzy spells?

Unequal pupils = ER: If someone has asymmetrical eye dilation and dizzy spells they should have someone drive them to the ER immediately. They may have a bleed on the brain or a brain tumor. They should NOT wait for a visit with their pcp or go to urgent care. There are some people who have asymmetrical pupils normally - but this is very uncommon. ...Read more

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What causes reflex sympathetic dystrophy?

What causes reflex sympathetic dystrophy?

Rsd: Usually some injury - trivial or not - that results in sensitization of peripheral nerve fibers that then results in painful state. If left untreated changes take place in the spinal cord and brain as well. ...Read more

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Simple partial seizures common idiopathic epelipsy? Brain tumor? No other symptoms. Passed neuro exam - reflexes, gait, strength, eye exam -perfectly.

Simple partial seizures common idiopathic epelipsy? Brain tumor? No other symptoms. Passed neuro exam - reflexes, gait, strength, eye exam -perfectly.

Brain tumor: An MRI of the brain will determine if there is a brain tumor. Reducing or eliminating the seizures is the first priority. The anti-convulsant (anti-seizure) medication prescribed by your neurologist is specific to the seizure type. Discuss the side-effects of each medication to help you cope with seizures. ...Read more

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What is reflex sympathetic dystrophy?

What is reflex sympathetic dystrophy?

Now CRPS: Complex regional pain syndrome, formerly rsd, is a pain syndrome, usually occurring in an arm or leg after an injury, but lasting much longer than would be normal for that type of injury. It typically has a component of redness or swelling and is described as burning or aching. There is also no obvious damage to a specific nerve that doctors can find. The cause is not clearly understood. ...Read more

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Mechanism of symmetrical ascending paralysis development?

Mechanism of symmetrical ascending paralysis development?

Beyond scope: We're allowed 400 characters at this site. I ecommend webmd.Com for the depth tha to are apparently looking for. ...Read more

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Does insomnia cause pupil dilation?

Does insomnia cause pupil dilation?

Not usually: Dilated pupils can occur as a side effect of various medications and several illicit drugs. Serious medical conditions such as serotonin syndrome can also cause this. Insomnia for a night or two would not usually result in dilated pupils. How long have you had insomnia? Have you been depressed or started a new medication? See your doctor to be sure and bring a list of all drugs, herbals takin ...Read more

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38 yo male, history epilepsy (med controlled), closed tbi (12/2011). Slurred speech, hand tremor, unsteady gait, confused, lethargic, normal pupils.

38 yo male, history epilepsy (med controlled), closed tbi (12/2011). Slurred speech, hand tremor, unsteady gait, confused, lethargic, normal pupils.

Timeline?: Your description does not state if all of these changes represent a change from the baseline, are new or chronic. If they are new then i would recommend going to your closest emergency room right away, if they are chronic and old then i would discuss this with your doctor as they could be consistent with traumatic brain injury. ...Read more

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Low-lying cerebellum or chiari accompany tonic pupil?

Low-lying cerebellum or chiari accompany tonic pupil?

Tonic pupil: Chiari malformation can cause tonic pupil. You need to see an eye doctor and a neurologist to rule out other causes though. ...Read more

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What are some physiological (non-psychological) causes of exaggerated spinal reflexes (i.E. Exaggerated jerking/flinching in response to light touch)?

What are some physiological (non-psychological) causes of exaggerated spinal reflexes (i.E. Exaggerated jerking/flinching in response to light touch)?

Startle vs DTR's: Your description of exaggerated jerking with light touch sounds like someone with very brisk "startle" reflex, as in post traumatic stress disorder. This is a physiological response to hypervigilance, as ptsd encompasses the whole person and his/her body. Hyperactive deep tendon reflexes (dtr's) can result from conditions like cerebral palsy, strokes, inflammatory diseases, and brain injury. ...Read more

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What is accommodation convergence paralysis?

What is accommodation convergence paralysis?

Explanation: This describes an inability to cross or converge your eyes on looking at a very close object. This may also be termed convergence insufficiency. Sometimes this is acquired subsequent to a concussion due to brain injury. Suggests persistent brainstem dysfunction. ...Read more

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Would hypocalcemia cause pupil dilation in response to light?

Would hypocalcemia cause pupil dilation in response to light?

Unlikely: Severe hypocalcemia may weaken muscle contraction, which could make the pupils unable to constrict. But it cannot cause a paradoxical dilation of the pupils to light. ...Read more

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Does having dilated pupils cause blurry vision?

Does having dilated pupils cause blurry vision?

Yes: Having your eye dilated for an eye exam can cause vision blurryness that is temporary. ...Read more

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What is cortical vision impairment (cvi)?

What is cortical vision impairment (cvi)?

Pbm in brain not eye: The term cortical vision impairment implys that there is a problem with the brain cortex (outer cell layer) that interprets the imput of the eye and visual nerve inputs.This is similar to having a good video camera, cables and system but the no screen to display the input in a way you can understand it. ...Read more

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