Parkinson Disease

Anh Thu Le Professor Crow ENGL 0349 11/25/2008 query Paper Parkinsons disease paralysis agitans disease is a brain dis devote.  It occurs when certain nerve cells (neurons) in a dissolve of the brain called the substantia nigra die or become impaired. Normally, these cells form a vital chemical cognize as dopamine. dopamine allows smooth, coordinated function of the bodys muscles and course.  When approximately 80% of the dopamine-producing cells argon damaged, the symptoms of shaking palsy disease appear. Parkinsons disease is named afterward the British medico James Parkinson, who foremost described the illness. His current paper describing this disorder, promulgated in 1817, was entitled Essay on the Shaking Palsy. It is a disease that is characterized by four major features is rest trembling of a limb (shaking with the limb at rest), slowness of movement (bradykinesia), rigidity (stiffness, increased resistance to peaceable movement) of the limbs or tru nk, worthless balance (postural instability). When at least cardinal of these symptoms ar present, and particularly if they are more evident on one side than the other, a diagnosis of PD is made, unless on that point are atypical features that suggest an alternative diagnosis.

Patients may first assoil something is wrong when they develop a tremor in a limb; movements are slowed and activities take longer to coiffure; or they experience stiffness and have balance problems. Initially, symptoms are a variable combination of tremor, bradykinesia, rigidity and postural instability.  Symptoms typically unhors e on one side of the body and break all ov! er time to the other side. (Parkinson.org) Changes occur in nervus facialis manifestation, so that there is a certain facial stronghold (blank expression showing little emotion) or a pure(a) appearance (due to decrease frequency of eye blinking). Complaints of a polar shoulder or foot drag on the change side are not uncommon.  As symptoms come on gradually, older patients may attribute these changes to aging....If you want to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper