MSK Flashcards
Which nerve damaged in shoulder dislocation can cause loss of sensation in “reg badge” area?
Axillary (supplying deltoid)
Which nerve root do axillary nerve, musculocutaneous nerve and suprascapular nerve originate from?
C5/6
What is Klumpke’s paralysis?
Claw-like hand in baby from damage to spinal roots C8 and T1
What is a Bennett fracture?
Fracture of base of first metacarapal
Which medication can increase risk of hip fracture?
Carbamazepine
Clin pres of osteochondritis dissecans
Young adult
Joint stiffness
Worse on activity
Due to overuse and repetitive microtrauma
Risk factors for wedge fracture
Steroid use, female, old age, low BMI
History of low-impact trauma
First line management of CRPS
Amitryptyline
What can be seen on exam of DeQuervain’s tenosynovitis?
Tenderness elicited over the radial styloid upon ulnar flexion of the wrist with thumb clasp in the palm
Describe Lisfranc injury
Dislocation of base of second metatarsal and medial cuneiform in midfoot
Usually due to joint rotation of forced plantar flexion
Investigation used in polymyalgia rheumatica
DEXA scan
- to determine low bone density
Medication to manage RA with little response to DMARDs
Biologics e.g. adalimumab
Erb’s palsy is characterised by which deformities of wrist and elbow
Impaired wrist extension
Impaired elbow flexion
Nerve supplying sensation over medial aspect of leg an foot which may be injured in placing of IM nails post-hip fracture
Saphenous nerve
Fracture in kids involving only one cortex of bone involving bending at fracture site?
Greenstick fracture
LFT abnormality assoc with Paget’s disease
High ALP
How can you distinguish between trigger finger and Dupuytren’s contracture?
Trigger finger - passively corrected and no skin changes
Dupuytren’s contracture - fixed flexion w fibrotic thickening, assoc with excessive alcohol use
Risk factor for frozen shoulder
Diabetes
Tenderness elicited over the radial styloid upon ulnar flexion of the wrist with thumb clasp in the palm suggests
DeQuervain’s tenosynovitis
- positive Finkelstein’s test
Tennis player with weakness in 4th/5th fingers, decreased grip strength and no history of trauma
Hamate fracture
Gradual onset midfoot pain in ballet dancer with amennorhoea
Second metatarsal base stress fracture
Describe a Lisfranc fracture
Dislocation of the base of the second metatarsal and the medial cuneiform in the midfoot.
Usually due to direct trauma
Management of SCFE
Surgical fixation of femoral head
Nerve responsible for elbow and wrist flexion
Radial nerve
Medication used in the management of Raynaud’s
Calcium channel blockers
What anticoag is used in pregnancy with anti-phospholipid?
LMWH
Low levels of complement in SLE indicate what?
Active disease
Nail changes assoc with psoriatic arthritis
Onycholysis (lifting of the nail from its nailbed)
Pitting
Is allopurinol used for prevention or management of acute attacks of gout?
Prevention
- NSAIDs/steroids/colchicine for management
What is Wolff’s law?
The idea that extra bone is laid down at areas of stress
e.g. extra bone growth at fracture site
Gradually worsening instep foot pain (worse on walking) with tenderness over calcaneal tuberosity over post/medial arch?
Plantar fasciitis
Common side effects of bisphOsphOnates
Osteonecrosis of jaw
Oesophageal ulcers
First line investigation for suspected Sjogren’s
Schrimer’s test
Common side effect of colchicine
Diarrhoea