Multiprofessional Back Pain Flashcards
how can back pain refer to the leg?
can refer down the front via the femoral nerve
can refer down the back via the sciatic nerve
important parts of history in back pain?
nature of the pain degree of loss of function - how it impacts life any trauma? any previous surgery? symptoms suggesting other pathology: - urinary tract - GI (pancreatitis) - Resp (pneumonia) - systemic illness
general outline for spine exam?
Look
Feel
Move
what do you look for?
scoliosis, kyphosis, scars etc
what do you feel for?
spinal tenderness
paravertebral muscles
ask patient to show you where
what movements do you check?
flexion, extension, lateral flexion
straight leg pain
tone, power, reflexes, sensation in legs
how can back pain be investigated?
usually none
bloods: ESR, PV, Calcium, alkaline phosphatase (if suspicion)
rarely X rays
MRI - Often not what you see is what you get
why is MRI better investigation than X ray?
most back problems are due to soft tissue problem
X ray only shows bone while MRI shows soft tissue
when is an X ray indicated?
red flags present
significant trauma
known osteoporosis
when is an MRI indicated?
sciatica > 4 weeks or spinal claudication
red flags
how specific is MRI?
not perfect as many asymptomatic people can be shown to have bulging discs
- therefore MRI signs must match symptoms
what are the radiological signs of osteoarthritis?
LOSS loss of joint space osteophyte formation subchondral cysts sclerosis
what causes 90% of back pain?
mechanical/non-specific
what are some less common causes of back pain?
tumour/metastases
ankylosing spondylitis
infection
list 8 red flags for back pain?
age <20 or >60 thoracic pain previous carcinoma immunocompromise (steroids, HIV etc) feeling unwell weight loss widespread neurological symptoms structural spinal deformity