Polymyositis: Pneumonia and Exact Cause

Topics: Pneumonia, Muscle, Heart Pages: 2 (442 words) Published: December 18, 2012

Polymyositis is an autoimmune disease that affects several muscles in your body. It can be classified as a persistent inflammatory muscle disease that causes weakness of the skeletal muscles, which controls movement in the body. In severe cases polymysitis can affect major organs like heart, and lungs.

The symptoms of Polymyositis come with extreme pain, marked with weakness and loss of muscle mass closest to the truck particularly those in your thighs, shoulder, upper arm, and neck. The hip extensor are often severely affected, leading to particular difficulty in walking up stairs and, lifting up from a seated position. Difficulty speaking, shortness of breath, mild joint or muscle tenderness, and fatigue are also some symptoms of the disease. The weakness is symmetrical, meaning it involves muscles on both the left, and right sides of the body. The disease worsens over time.

The exact cause of Polymyositis is unknown, but the disease shares many chareteristies with autoimmune disorders, in which your immune system attacks normal body components. Normally, your immune system works to protect your healthy cells from attacks by foreign substances, such as bacteria and viruses. If you have Polymyositis, an unknown cause may act as a trigger for your immune system to begin producing autoimmune antibodies that attack your on tissues. Many people with Polymyositis show a detectable level of auto antibodies in their blood.

Polymyositis has a variation of complications. In severe cases, a patient may experience Aspiration Pneumonia. This complication means, to have difficulty swallowing, it may also cause you to breathe fluid or liquids, including saliva, into your lungs (aspiration), which can lead to pneumonia.

If your chest muscles are affected by the disease, you may experience breathing problems, such as shortness of breath, or in severe cases, respiratory failure. Late in the disease, particularly if you’ve had the disease for a long...
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