What blood tests are used to diagnose polymyositis?
Polymyositis (PM) After a careful history and physical exam to document the pattern of weakness in muscles, a doctor who suspects myositis likely will order a blood test to check the level of creatine kinase (CK), an enzyme that leaks out of muscle fibers when the fibers are being damaged..
How long can you live with myositis?
More than 95 percent of those with DM, PM, and NM are still alive more than five years after diagnosis. Many experience only one period of acute illness in their lifetime; others struggle with symptoms for years. One of the biggest problems in treating myositis is obtaining an accurate diagnosis.
What does myositis rash look like?
Rash and Muscle Weakness DM is usually the easiest type of myositis to diagnose because of the skin rash, which often appears before any muscle weakness is felt. The rash looks patchy, dark, and reddish or purple. It is most often found on the eyelids, cheeks, nose, back, upper chest, elbows, knees, and knuckles.
How do you test for myositis?
Muscle and skin biopsy are often the most definitive way to diagnose myositis diseases. Small samples of muscle tissue show abnormalities in muscles, including inflammation, damage, and abnormal proteins. For those with skin symptoms, doctors often biopsy a bit of skin to examine for characteristic abnormalities.
Can blood test detect muscle damage?
Blood tests. A blood test will let your doctor know if you have elevated levels of muscle enzymes, which can indicate muscle damage. A blood test can also detect specific autoantibodies associated with different symptoms of polymyositis, which can help in determining the best medication and treatment.
What are the symptoms of myositis?
Symptoms of myositis may include:trouble rising from a chair.difficulty climbing stairs or lifting arms.tired feeling after standing or walking.trouble swallowing or breathing.muscle pain and soreness that does not resolve after a few weeks.known elevations in muscle enzymes by blood tests (CPK or aldolase)