MSK Flashcards
what test can help diagnose antiphospholipid syndrome?
anti-cardiolipin
what paradoxical test result is seen in antiphospholipid syndrome?
prolonged APTT
what else is reduced in antiphospholipid syndrome?
platelets - thrombocytopaenia
name 3 features of antiphospholipid syndrome (other than the clots)
livedo reticularis (mottled + red)
preeclampsia
pulmonary HTN
management of initial VTE in antiphospholipid syndrome
warfarin - target INR of 2-3 for 6mo
management of recurrent VTEs in antiphospholipid
lifelong warfarin
if already taking warfarin - increase target INR to 3-4
what treatment worsens compartment syndrome?
anticoagulation
what complication can occur after ischaemia reperfusion injury in vascular patients?
compartment syndrome - can occur after VTE
which 2 main fractures carry the risk of compartment syndrome?
supracondylar fractures and tibial shaft injuries
list 4 possible symptoms of compartment syndrome
pain (active + passive)
paraesthesia
pallor
paralysis of muscle group
4 Ps
arterial pulsation may still be felt as necrosis is due to microvascular compromise
how to diagnose compartment syndrome?
measure pressure inside compartment
> 20 - abnormal
40 - diagnostic
treatment of compartment syndrome
prompt + extensive fasciotomy
what complication can result from fasciotomy? how to manage?
myoglobinuria - can cause renal failure
give aggressive IV fluids (before or after found??)
how quickly can muscle groups die in compartment syndrome?
4-6h
pain on wrist EXTENSION against resistance (arm straight)
laTeral epicondylitis - Tennis elbow - pain on exTension
laTeral Tennis exTension
natural history of lateral epicondylitis (ie timing)
acute pain for 6-12 weeks
episodes last 6mo-2 years
management of lateral epicondylitis
physio
simple analgesia
avoid muscle overload
steroid injection
how would osteomalacia affect calcium, phosphate, vitamin D, ALP + PTH?
low calcium, phosphate, vitamin D
high ALP + PTH
what is the common type of osteomalacia?
3 causes
vitamin D deficiency - malabsorption, lack of sun, diet
how do you manage osteomalacia?
calcium with vitamin D tablets
how does osteoporosis affect bloods?
bloods are normal
what effect does myeloma have on calcaemia?
hypercalcaemia