introduction to diseases of the msk Flashcards
What is myalgia
Pain in muscles, commonly associated with viral infections and can be drug-induced.
What is myositis
inflammation of the muscles
far less common than myalgia and can be autoimmune
How do you classify rheumatic disease
articular vs no articular
inflammatory vs non-inflammatory
no. of joints affected and duration of onset
What is periarticular pain
Point tenderness over the involved structure, pain reproduced by movement involving that structure
what is articular pain
Joint line tenderness, pain at the end range of movement in any direction
What is the difference between mono/oligo/polyarthritis
mono= 1 joint affected oligo= 2-3 joints affected poly= 5 or more joints affected
Which epicondyle is affected in tennis elbow
lateral epicondyle
Which epicondyle is affected in golfers elbow
medial epicondyle
What do you do when septic arthritis is suspected
joint aspirate, check: clarity, colour, viscosity
send for: gram stain, bac culture, crystals and white cell differential
What is the sepsis 6
take 3: cultures, lactate, urine output
give 3: high flow oxygen, IV antibiotics, Fluids
What is the cause of gout
high serum urate levels which cause them to form monosodium urate crystals which deposit in cartilage, bones and peripheral joints (common in toes)
What are risk factors for gout
older age, male, CKD, metabolic syndrome, osteoarthritis, diet.
How are acute Gout attacks managed
NSAIDS e.g. naproxen
colchicine
steroids
How is long term Gout managed
urate- lowering therapy e.g. allopurinol
anakinra (IL-1 antagonist)