MSK Flashcards
What does the GALS in Pgals stand for
Gait
Arms
Leg
Spine
Other name for Bow legs
Varus deformit
What is Bow leg due to?
Rickets
Other name for Knock Knees
Valgus deformity
What age gets Valgus deformity
2-7
What is the intramalleolar distance in valgus deformity?
> 8cm
Prognosis knock-knees
Resolves
Incidence of Developmental Hip Dysplasia (DDH)
1-3%
In DDH, where is the abnormality? (3)
Either:
Shape of head of femur
shape of acetabulum
Supporting structures
RF DDH (8)
FHX F Oligohydramnios Breech presentation First born Multiple pregnancy Premature NM - CP
What % of children w. DDH are female
80%
Screening for DDH
Barlow
Ortolani
Repeat test at 6-8w
Late presentation of DDH (2)
Usually abnormal gait or limp Short limp or asymmetric skin folds
If DDH is found, what is the next step?
USS to give detailed assessment of hip/degree of dysplasia
Mx DDH if <6 months
Bracing = 1st line
Or Palvik Harness - maintains hip flexion + abduction
When do most DDH resolve by ?
2-6 weeks
If other Tx fail for DDH, what is the final resort + what age must the child be?
Surgery
> 5 months
Other name for flat feet
Pes planus
Anatomically, what is flat feet
Absence in medial longitudinal arch
What condition could flat feet be part of?
Ehlers Danlos
Mx flatfeet
If Sx - footwear advice + arch support
Another name for forefoot
Talipes
What is Positional Talipes due to?
Intrauterine compression
Mx Positional Talipes
Passive manipulation/exercises by physio
What is Talipes equinovarus?
Entire foot = inverted + supinated, heel rotated inwards
Foot = shorter, calf mm thinner
Mx Talipes equinovarus
Plaster cast + bracing
Surgery if severe
What is scoliosis?
Lateral curvature of frontal plane of spine
What can scoliosis cause in servere cases?
Chest distortions –> cardioresp failure
causes of scoliosis (6)
Idiopathic Congenital - spina bifida NM - CP or MD NFM Marfans Leg length discrepancy
Mx severe scoliosis
Specialist Tx
Bracing
Surgery
What is Torticollis
Wry and twisted neck
Why does torticollis occur?
SCM tumour - mobile, non-tender nodule
Later presentatations of torticollis may be due to: (4)
Mm spasm
ENT infection
Spinal tumour
Cervical spine arthritis
How long does torticollis due to mm spasm tend to resolve in?
1-2 weeks
Mx of torticollis caused by URTI/soft tissue infection
Passive stretching
Usually resolves 2-6 months
What is osteomyelitis
Infection of the metaphysis of long bones
Which 2 bones does osteomyelitis usually occur in>
Distal femur
Proximal tibia
Features osteomyelitis (7)
Acute onset Painful limb Immobile Acute febrile illness Over infected site - swelling, tenderness, erythema, warm Vertebral? Back pain Pelvic? Groin pain/limp
Causes osteomyelitis (4)
S. aureus
Strep
H influ
TB if immunocom
Ix osteomyelitis (3)
Bloods
Xray
MRI
What would you see on an oestomyelitis MRI?
Boen infection
Subperiosteal pus + purulent debris in bone
Mx osteomyelitis (5)
IV ABx several weeks Then PO ABx Aspiration/decompression if atypical Surgical drainage if no response Limb in splint - mobilise
What is subacute osteomyelitis?
Bone pain + radiographic changes with no systemic symptoms
Risks of osteomyelitis is left untreated (4)
Widespread infection --> Cellulitis Sepsis Death Amputation
Who is septic arthritis common in?
<2 y/o
Causes of septic arthritis (2)
Following puncture wound/infected skin lesions
From adjacent osteomyelitis
Most common causative organism septic arthritis
Staph aureus
Features septic arthritis (7)
Erythemataous/warm Tender Decr ROM Acutely unwell/febrile Pseudoparesis Joint effusion Limp/pain
Ix septic arthritis (4)
Bloods - WCC, acute phase proteins, culture
USS - effusion
Xray - norm
MRI
Mx septic arthritis
Prolonged IV ABx
Surgical drain/wash out
Fractures in what bones would make you think of NAI? (4)
Ribs
Humerus
Skull
Multiple
Define Juveinile Idiopathic Arthritis
Persistent joint swelling >6w
Present before 16 y/o w/ no infection/other cause