MSK/Rheumatology Flashcards
give 4 causes of Raynaud’s phenomenon
SLE, systemic sclerosis, RA, polycythaemia rubra vera, hypothyroidism, Buerger’s disease.
primary = Raynaud’s disease
explain the pathophysiology of Raynaud’s
peripheral digital ischaemia due to vasospasm precipitated by cold and relieved by heat
what are the clinical features of Raynaud’s?
skin pallor, then cyanosis, then hot and red.
numbness then burning sensation and severe pain due to hyperaemia.
how would you manage a patient with Raynaud’s?
keep hands and feet warm - gloves, heating pads.
smoking cessation.
nifedipine - CCB, vasodilates.
what class of drugs should be stopped in patients with Raynaud’s?
beta blockers
how would you differentiate polymyalgia rheumatica from a myositis/myopathy?
creatinine kinase levels are NORMAL in PMR - would be raised in myositis/myopathy.
name 2 bisphosphonates. what are they used to treat?
alenronate, zoledronate, disodium pamidronate.
used for osteoporosis, severe hypercalcaemia of malignancy, myeloma and breast cancer bone metastases to reduce pathological fractures.
how do bisphosphonates work?
reduce bone turnover by inhibiting osteoclasts and promoting apoptosis.
reduce bone loss and improve bone mass.
what is strontium ranelate used to treat?
severe osteoporosis