Clinical Flashcards
What is the most common causitive organism for osteomyelitis?
Staph aureus
What imaging do you do for osteomyelitis?
MRI
what is the treatment of osteomyelitis?
Flucloxacillin for 6 weeks
Investigations for opolymyositis?
Creatanine kinase (high)
EMG
Muscle biopsy
Anti Jo 1
What is the treatment for reactive arthritis?
Symptomatic analgesia
NSAIDS
Intra articular steroids
Sulfasalazeine and methotrexater for persistent disease
What is ehler danlos syndrome?
An autosomal dominant connective tissue disorder that mostly effets type 3 collagen. This results in the tissue being more elasrtic than normal and this leads to joint hypermobility and increased skin elasticity
What is the most common eye manifestation of rheumatoid arthritis?
Keratoconjunctivitis sicca (dry conjunctava)
Why does acute osteomyelitis more often happen in children?
The metaphyses of long bones contain tortous vessels with sluggish flow that causes bacteria to accumulate and infection to develop.
What is a brodies abscess?
A subacute osteoomyelitis than is more insideous. The bones reacts by walling off the abscess with a rim of sclerotic bone
Who might get salmonella osteomyelitis?
Patients with sickle cell anaemia
What organisms can cause an early prosthetic joint infection?
Staph aureus
Gram negative bacilli such as coliforms
What organisms can cause an indolent or low grade infection after a joint replacement?
Staph epidermidis
How do you treat pagets disease?
Bisphosphonates
How do you treat osteoperosis?
Bisphosphonates
Calcium
Vitamin D
What is de quevrians tensosynovitis?
The sheath containing the extensor pollicis brevis and abductor pollicis longus tendons becomes inflamed resulting in pain on the radial side of the wrist and tenderenss over the radial styloid process.
Finkelsteins test is when pain results from thumb flexion
Managed with analgesia, steroid injection and immobilisation
What is infective flexor tensosynovitis?
Infection of the flexor tendon which is a surgical emergency requiring prompt treatment. The four signs of tendons heath infection and fixed flexion, fusiform swelling, tenderness and pain on passive extension.
What is feltys syndrome?
A condition characterised by splenomegaly and neutropenia is a patient with rheumatoid arthritis.
What is discitis?
An infection in the intervertebral disc space. It presents with back pain, pyrexia, rigors, sepsis
Caused by staph aureus usually but can also be caused by other bacteria, viruses and TB.
MRI is the best investigation and CT guided biopsy may be required to guide treatment.
What is the best test for discitis?
MRI
CT guided biopsy
What is the treatment for discitis?
6 - 8 weeks of IV antibiotics (flucloxacillin)
What else should you test for in a patient with discitis?
Endocarditis
