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Topic: Paralysis


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In the News (Mon 23 Nov 09)

  
  PARALYSIS - LoveToKnow Article on PARALYSIS   (Site not responding. Last check: 2007-11-06)
Paralysis is to be regarded rather as a symptom than a disease per se; it may arise (i) from injury or disease of nervous and muscular structures, and is then termed organic paralysis; or (2) from purely dynamic disturbances in the nervous structures of the brain which preside over voluntary movement.
Hemiplegia, or paralysis affecting one side of the body, is a frequent result of apoplexy (q.v); there is loss of motion of the tongue, face, trunk and extremities on the side of the body opposite the lesion in the brain.
Paralysis agitans, Shaking Palsy or Parkinsons Disease is a chronic progressive disease of the nervous system occurring late in life, and characterized by weakness,, tremors and stiffness of the muscles associated with a peculiar attitude and gait.
49.1911encyclopedia.org /P/PA/PARALYSIS.htm   (3383 words)

  
 AllRefer.com - paralysis (Pathology) - Encyclopedia
The nervous tissue that is injured may be in the brain, the spinal cord, or in the muscles themselves.
Accordingly there may be general paralysis, involvement of only one side (hemiplegia), paralysis on both sides at one level (paraplegia or quadriplegia), or localized paralysis in a small group of nerves or muscles.
One of the most frequent causes of paralysis is stroke, in which hemorrhage, thrombosis, or obstruction of a cerebral vessel interferes with nerve function.
reference.allrefer.com /encyclopedia/P/paralysi.html   (273 words)

  
 Sleep paralysis - Wikipedia, the free encyclopedia
Sleep paralysis is a term either used to describe the normal paralysis of the body that occurs during REM sleep, or the disorder in which awareness is maintained when the body becomes paralysed when entering sleep (known as hypnagogic paralysis) or remains inappropriately paralysed when awakening (known as hypnopompic paralysis).
Normal sleep paralysis is thought to be due to mechanisms in the brain stem, particularly the reticular, vestibular, and oculomotor neurons, which prevent bodily movements, block sensory input and provide the forebrain with the internally generated activity that characterises brain activity during REM sleep.
The combination of paralysis and hallucinations has led to speculation that the phenomenon might be a cause of some alien abduction reports, out-of-body experiences, and other seemingly paranormal events.
en.wikipedia.org /wiki/Sleep_paralysis   (885 words)

  
 Dorlands Medical Dictionary
brachial paralysis,   brachial plexus paralysis,   paralysis of an arm from lesion of the brachial plexus; subdivided into lower and upper brachial plexus paralysis depending on which trunk of the plexus is affected.
Jamaica ginger paralysis,   a form of paralysis of the extremities, especially the legs, that was seen in the 1930s after a type of Jamaican ginger extract (“jake”) was accidentally contaminated with the organophosphorus compound tri-o-tolyl phosphate and then consumed.
sleep paralysis,   paralysis occurring at awakening or sleep onset; it represents extension of the atonia of REM sleep into the waking state and is often seen in those suffering from narcolepsy or sleep apnea.
www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_p_05zPzhtm   (4188 words)

  
 American Lyme Disease Foundation - Lyme Disease   (Site not responding. Last check: 2007-11-06)
Although tick paralysis is of concern in domestic animals and livestock in the United States as well, human cases are rare and usually occur in children under the age of 10.
Paralysis rapidly develops from the lower to the upper extremities and, if the tick is not removed, is followed by tongue and facial paralysis.
Because of the inability of laboratory tests to indicate tick paralysis, diagnosis is based on symptomology and the rapid improvement of the patient once the engorged tick is removed.
www.aldf.com /TickParalysis.asp   (627 words)

  
 Paralysis
Hypokalemic Paralysis is a rare cause of acute weakness that occurs in certain families either sporadically or in association with various diseases.
A study10 of arteriovenous serum potassium and sodium changes during an induced attack of thyrotoxic periodic paralysis suggested that the mechanism of serum potassium reduction is the result of influx of extracellular potassium to the intracellular space.
The decrease in the activity of the calcium pump was proportional to the severity of paralysis and the degree of hypokalemia.
www.ithyroid.com /paralysis1.htm   (4479 words)

  
 MedlinePlus Medical Encyclopedia: Muscle function loss
There are other causes of paralysis, including infectious diseases (such as polio), genetic diseases (such as peroneal dystrophy), autoimmune disease (such as amyotrophic lateral sclerosis, or ALS), and toxic conditions (such as botulism and paralytic shellfish poisoning).
Paralysis can be temporary or permanent; localized or widespread; one-sided (unilateral) or two-sided (bilateral); and can affect the lower extremities (paraplegic) or upper and lower extremities (quadriplegic).
Paralysis can be an indication of a life-threatening problem such as Guillain-Barre syndrome.
www.nlm.nih.gov /medlineplus/ency/article/003190.htm   (642 words)

  
 Facial paralysis   (Site not responding. Last check: 2007-11-06)
Considerations: Facial paralysis in adults is often due to Bell’s palsy.
In facial paralysis due to stroke, the eye on the affected side can be closed and the forehead can be wrinkled.
If facial paralysis from Bell’s palsy persists for greater than 6 to 12 months, plastic surgery may be recommended to improve eye closure and facial appearance.
www.rwjhamilton.org /Atoz/encyclopedia/article/003028.asp   (558 words)

  
 Sleep Paralysis: page 2
Sleep paralysis, or more properly, sleep paralysis with hypnagogic and hypnopompic hallucinations have been singled out as a particularly likely source of beliefs concerning not only alien abductions, but all manner of beliefs in alternative realities and otherworldly creatures.
Sleep paralysis is a condition in which someone, most often lying in a supine position, about to drop off to sleep, or just upon waking from sleep realizes that s/he is unable to move, or speak, or cry out.
Moreover, estimates of the prevalence of sleep paralysis among people with narcolepsy are quite variable and are in the range of 40% to 60% (Hishikawa, 1976).
watarts.uwaterloo.ca /~acheyne/S_P2.html#pp   (2413 words)

  
 Paralysis - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-11-06)
Paralysis may be localized, generalized or follow a certain pattern.
For example, localized paralysis occurs in Bell's palsy where one side of the face may be paralysed due to inflammation of the facial nerve on that side.
Patients with stroke may be weak throughout their body (global paralysis) or have hemiplegia (weakness on one side of the body) or other patterns of paralysis depending on the area of damage in the brain.
encyclopedia.worldsearch.com /paralysis.htm   (223 words)

  
 Lincolnshire Post-Polio Library [The Distribution of the Permanent Paralysis in the Lower Limb in Poliomyelitis]
It is the object of this paper to review the distribution of paresis and paralysis in the muscles of the lower limb, to account for its disposition in terms of the destruction of motor nerve cells in the lumbo-sacral spinal cord, and to indicate the practical application of the findings in the management of poliomyelitis.
If the paralysis in a muscle is not related to any feature of the muscle itself, there remains the possibility that it may be related to its innervation, or, more precisely·, to the site and extent of changes in the motor cells of the anterior horn of the spinal cord.
The distribution of the permanent paresis and paralysis in the muscles of 203 lower limbs affected by poliomyelitis is analysed and related to the destruction of motor nerve cells in the grey matter of the lumbo-sacral cord.
www.ott.zynet.co.uk /polio/lincolnshire/library/sharrard/dppllp.html   (6096 words)

  
 [No title]
Bilateral abductor vocal cord paralysis is a distressing condition, often life-threatening, and not infrequently a direct cause of asphyxial death.
Early detection of pediatric laryngeal paralysis requires a high index of suspicion and is important to prevent catastrophes during periods of acute respiratory embarrassment.
The subsequent caudal displacement of the brain stem by increasing intracranial pressure stretches the vagi and causes recurrent nerve and vocal cord paralysis.
www.bcm.edu /oto/grand/22792.html   (1655 words)

  
 Paralysis   (Site not responding. Last check: 2007-11-06)
Paralysis is defined as complete loss of strength in an affected limb or muscle group.
The nerve damage that causes paralysis may be in the brain or spinal cord (the central nervous system) or it may be in the nerves outside the spinal cord (the peripheral nervous system).
Physical therapy helps develop strategies to compensate for paralysis by using those muscles that still have normal function, helps maintain and build any strength and control that remain in the affected muscles, and helps maintain range of motion in the affected limbs to prevent muscles from shortening (contracture) and becoming deformed.
www.lifesteps.com /gm/Atoz/ency/paralysis_pr.jsp   (1300 words)

  
 Sleep Paralysis
Sleep paralysis is now being studied as an explanation for terrors in the night, which have been experienced by people across all cultures and for thousands of years.
Sleep paralysis is a condition in which someone, most often lying in a supine (face up) position, about to drop off to sleep, or just upon awaking from sleep realizes that s/he is unable to move, or speak, or cry out.
Cheyne believes sleep paralysis to be an hallucination created by physical things occurring in the body as a result of a dysfunction or malfunction of the normal R.E.M. state of sleep.
www.dreamsnightmares.com /sleepparalysis.html   (511 words)

  
 Sleep Paralysis   (Site not responding. Last check: 2007-11-06)
A Sleep Paralysis is possibly a hereditary disorder in which one experiences very frightening seconds or minutes of total body paralysis with little respiration and eye movements (1).
A nonreciprocal flaccid paralysis during REM sleep is accomplished actively by postsynaptic inhibition of motorneurons (3).
During the early period of sleep paralysis, the activity of the temporal lobe increases significantly, sometimes inducing hallucinatory sense (5).
serendip.brynmawr.edu /bb/neuro/neuro00/web1/Takahashi.html   (1370 words)

  
 Symptoms of PARALYSIS, PALSY - Cure, Cause, Treatment & Homeopathic Medicines of PARALYSIS   (Site not responding. Last check: 2007-11-06)
Paralysis or palsy (pôl'ze), complete loss or impairment of the ability to use voluntary muscles, usually as the result of a disorder of the nervous system.
Paralysis of the ocular muscles, ptosis; the speech is thick from paretic conditions of the tongue.
Paralysis of the lower extremities, contractive sensations and heaviness in the limbs.
www.hpathy.com /diseases/paralysis.asp   (863 words)

  
 paralysis --  Encyclopædia Britannica
Paralysis can affect the legs and lower part of the body (paraplegia) or both arms and both legs (quadriplegia).
Of the diseases that attack lower motor neurons and result in paralysis with muscular wasting, the most common are poliomyelitis and polyneuritis, the former affecting the cell bodies or the bulbar and spinal motor neurons and the latter affecting their peripheral processes.
(or paralysis agitans, or Parkinsonism), chronic disorder of nervous system, manifest by tremors and muscle weakness, accompanied by changes in pigmented cells of brain stem; strikes in middle or late life; treated with drugs and sometimes by brain surgery; named for James Parkinson (1755–1824), British physician who identified it in 1817.
www.britannica.com /eb/article-9058399?tocId=9058399   (797 words)

  
 Biology - Bee Behavior   (Site not responding. Last check: 2007-11-06)
Paralysis, a minor disease of adult honey bees, is usually associated with filterable vrruses.
Other suspected causes of paralysis include pollen and nectar from such plants as buttercup, rhododendron, laurel, and some species of basswood; deficient pollen during brood rearing in the early spring; and consumption of stored fermented pollen.
When paralysis is serious, large numbers of afflicted bees can be found at the colony entrance, crawling up the sides of the hive and blades of grass, and tumbling to the ground.
maarec.cas.psu.edu /bkCD/Bee_Diseases/paralysis.html   (273 words)

  
 MedlinePlus Medical Encyclopedia: Facial paralysis
Facial paralysis is the total loss of voluntary muscle movement of one side of the face.
Seventy-five per cent of cases of facial paralysis in adults are caused by an inflammation of the facial nerve called Bell's palsy.
Facial paralysis due to a brain tumor generally develops gradually with accompanying headaches, seizures, or hearing loss.
www.nlm.nih.gov /medlineplus/ency/article/003028.htm   (586 words)

  
 ► Hyperkalemic periodic paralysis
Hyperkalemic periodic paralysis is associated with elevated levels of potassium in the bloodstream.
The disorder involves attacks of muscle weakness or paralysis, alternating with periods of normal muscle function.
Unlike other forms of periodic paralysis (such as familial periodic paralysis and thyrotoxic periodic paralysis), hyperkalemic periodic paralysis is not associated with low potassium in the bloodstream (serum potassium).
www.umm.edu /ency/article/000316.htm   (462 words)

  
 University of Miami School of Medicine - Glossary - Sleep paralysis
Sleep paralysis is due to an ill-timed disconnection between the brain and the body.
Sleep paralysis is the result of premature (or persistent) mind-body disconnection as one is about to enter into (or exit from) REM sleep.
A rare fatal form of sleep paralysis may, it is thought, underlie the cases of healthy teenagers, mainly in Southeast Asia, who die in their sleep, sometimes after fighting for breath but without thrashing around.
www.med.miami.edu /glossary/art.asp?articlekey=9806   (345 words)

  
 Infantile-onset ascending hereditary spastic paralysis - Genetics Home Reference
Infantile-onset ascending hereditary spastic paralysis is a rare disorder characterized by the progressive weakness and stiffness of arm, leg, and facial muscles.
Infantile-onset ascending hereditary spastic paralysis is a rare disorder, with a small number of reported cases.
Mutations in the ALS2 gene cause infantile-onset ascending hereditary spastic paralysis.
ghr.nlm.nih.gov /condition=infantileonsetascendinghereditaryspasticparalysis   (640 words)

  
 Paralysis Lawsuit Overview - Find Trial Lawyers and Attorneys with Experience in Paralysis Personal Injury Law
Paralysis is the inability to control the muscles that move the body.
Axiomatic brain injury (stroke) and spinal cord injury are the major causes of paralysis.
The extent of the paralysis depends on the severity of the stroke or the location of the spinal cord injury.
www.injuryboard.com /view.cfm/Topic=592   (295 words)

  
 sleep paralysis
The description of the symptoms of sleep paralysis is similar to the description many alien abductees give in recounting their abduction experiences.
Sleep paralysis is thought by some to account for not only many alien abduction delusions, but also other delusions involving paranormal or supernatural experiences (e.g., incubus and succubus).
Sleep paralysis is something many people experience once or twice in a lifetime but it is a frequent occurrence of those suffering from narcolepsy.
skepdic.com /sleepparalysis.html   (223 words)

  
 Paralysis | Paraplegia Disabilities | Paraplegic Claim Attorney Cleveland Ohio OH
A life altering condition, paralysis is caused by trauma to the brain or spinal cord.
When paralysis occurs, not only does it remove a person's ability to control their physical movement, it affects every single aspect of their life, causing financial difficulty, emotional stress, loss of enjoyment, and pain and suffering among others.
In a medical context, paralysis can be inadvertently caused by operating errors during back surgery, mishandling medical instruments during surgery for scoliosis or other spinal conditions, inexperienced physicians, improperly administered anesthesia or medication, and others.
www.lancionelaw.com /PracticeAreas/Paralysis.asp   (388 words)

  
 WHOI - Healthbeat: Temporary Paralysis   (Site not responding. Last check: 2007-11-06)
Periodic paralysis is a condition marked by temporary episodes of extreme muscle weakness and the inability to move the limbs.
Hypokalemic periodic paralysis is caused by a drop in potassium levels in the blood.
Hyperkalemic periodic paralysis is caused by an abnormal increase in potassium levels.
www.hoinews.com /news/features/4/1195381.html   (474 words)

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