Muscle Disease Flashcards
What is muscle pain?
Myalgia
How might a muscle disease present itself?
Myalgia, weakness/tiredness,
Stiffness
Abnormal blood tests
What are clinical features of Idiopathic Inflammatory Myopathies?
muscle weakness,
insidious onset
symmetrical, proximal muscles
sturggle with tasts e.g.difficulty brushing hair
What are indications of Dermatomyositis ?
Gottrons sign
Heliotrope rash
Shawl sign
What other organs are involved with Dermatomyositis?
Lung (ILD)
Oesophagus (Dysphagia)
Heart (myocarditis)
Name two tests that can be done, and what are they?
- Confrontational testing - direct testing of power
2. Isotonic testing - 30 second sit to stand test
What drugs can be used to treat Dermatomyositis
Glucocorticoids Azathioprine Methotrexate Ciclosporin IV immunoglobulin
What can Inclusion body myositis be misdiagnosed as?
Polymyositis
Who’s more likely to get Inclusion body myositis ?
> 50’s
What drug can cause muscle pain?
Statin
What is the clinical appearance of Inclusion body myositis ?
More insidious onset
Distal muscle weakeness
Weakness in wrist, finger flexors in upper limbs and quads an anterior tibial muscles in legs
What does a muscle biopsy of Inclusion body myositis show?
Inclusion bodies
Who is more likely to suffer from Polymyalgia Rheumatica?
> 50’s
What are the clinical features of Polymyalgia Rheumatica?
Shoulder and hip girdle pain morning stiffness fatigue, anorexia, weight loss, and fever reduced shoulder, neck and hip movement Muscle strength is NORMAL
What is another name for Temporal Arthritis?
Giant cell arhtritis