Paresthesia

December 27, 2011

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Paresthesia   - A condition in which a person appear abnormal sensations along the pathways of the peripheral nerves. The patient feels a tingling or numbness. In this state there is no pain. It develops this condition as suddenly or gradually. Paresthesia can last a certain amount of time or be constant.

Paresthesia is a symptom of a number of neurological diseases . It is also a condition sometimes manifests itself as a result of various systemic diseases and the effect after the use of certain drugs.

Causes of paresthesia

Paresthesia occurs as a result of damage or irritation of sites and systems that meet the human body for transferring sensory stimuli: the parietal lobe of the brain . spinal cord . thalamus or peripheral nerves .

Paresthesia may occur under certain conditions. When brain tumors   paresthesia may occur as a result of the defeat of the tumor areas of the cortex of the parietal lobe, which is responsible for the sensitivity. In this case, it is shown amid paresthesia apraxia . agnosia . agraphia . hemianopia . Also, there is a loss of sensitivity proprioceptive nerves.

Paresthesia occurs when stroke . However, it is important to note that in the case of stroke paresthesia sometimes occurs on the opposite side. Often the patient is losing sensitivity.

With Guillain-Barre syndrome   paresthesia become a phenomenon prior to the occurrence of weakness in the muscles, which originally appears in the lower limbs, and then rises to the hand and facial nerve.

Paresthesia often occurs after head trauma . After konkussii or contusion is often manifested as one-sided and double-sided paresthesia. But the more frequent - a loss of sensitivity.

Patients Shingles   paresthesia is often one of the first symptoms, immediately after dermatomes. A few days later there is a rash erythematous vesicles, which are accompanied by severe itching, a burning sensation or pain.

With migraine   paresthesia of hands face area of ​​the mouth is sometimes a precursor to an impending attack.

Patients multiple sclerosis   paresthesia occurs due to destruction of the myelin nerve fiber layer in the spinal cord. Paresthesia - is one of the earliest signs of the disease. Later, along with other symptoms of paresthesia occasionally occurs in patients and in late stage multiple sclerosis it can obtain the permanent shape.

Paresthesia often occurs as a result of injuries of any of the groups peripheral nerves . In this case, paresthesia affected the portion that covers the damaged nerves. It manifests itself in a short time after the injury, sometimes turns into a permanent shape. Progressive paresthesia of hands and feet may be due to peripheral neuropathy.

In the event of a patient seizures That occur as a result of irregularities in the frontal lobe of the brain, it is very often the case paresthesia of the lips, fingers, limbs.

In patients who received spinal cord trauma , Paresthesia appears below the injury site. It can be one-sided and double-sided, it is accompanied by various manifestations of loss of sensitivity. Paresthesia is observed in tumors of the spinal cord. In this case, this phenomenon is accompanied by paresis , Loss of sensation and pain. Also, paresthesia is a late sign of tabes.

Patients with transient ischemic blood circulation in the brain paresthesia appears suddenly, affecting one part of the body such as the arm. The attack continued for about ten minutes, it is accompanied paresis   or paralysis .

Also paresthesia is one of a number of symptoms of cardiovascular disease. When arterial occlusion acute form of paresthesia occurs suddenly, and the patient feels cold in one or both legs, manifested paresis. Paresthesia occurs in patients atrosklerozom . Buerger's disease . Raynaud's disease At syndrome thoracic expiration . In the latter disease paresthesia appears suddenly, with abduction towards the sick or raising the arms.

Manifested paresthesia and some musculoskeletal diseases. Thus, in patients arthritis   paresthesia is often the case shoulders, neck, arms. In more rare cases when there is a loss of the lumbar spine, there is paresthesia legs and feet. Patients suffering hernia   spinal or lumbar disc, there is acute or gradual paresthesia along the pathways of nerves that have been damaged.

Paresthesia occur in metabolic disorders in the body. With hypocalcemia   there is asymmetric limb paresthesia of fingers, similar symptoms paired with the weakness of the arms and legs are observed with a deficiency in the body vitamin B .

Some mental illnesses also provoke paresthesia. So, this phenomenon is typical for hyperventilation syndrome .

Paresthesia can also testify to the heavy metal poisoning. If paresthesia, tingling and cold in the animal bite should check suspected prodromal phase Rabies . Paresthesia sometimes seen in pregnant women as a manifestation toxemia .

Diagnosis paresthesia

To determine the causes of the condition, determine what disease provoked paresthesia. To do this, first of all, examine the patient's medical history. The specialist conducts neurological examination of the patient. Subsequent diagnosis includes different methods: blood test . X-rays . computed tomography . electromyography . Due to the loss of sensitivity of paresthesia patient must necessarily know about all the precautions. Subsequent treatment is directed to treatment of the disease, which caused a paresthesia, in general.