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the pathopysiology of joint disease 4: septic arthritis
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includes: patient case description, clinical presentation, examination, investigation, antibiotic treatment
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1Sunday, 16th January 2022
Week 1
Medicine
The Pathophysiology of Joint Disease 4
Septic arthritis
Patient
Craig
26
Male
History
o Painful, hot, swollen knee
o Developed quickly
o Unable to bend knee
o Unable to walk unaided
Examination
o Looks unwell
o Has a fever
o Tachycardia
o Low blood pressure
o Right knee significantly swollen and red
o Extremely tender
o Burning to the touch
o Unable to move the knee
No active or passive movement
o Painful lump in the groin
Skin breaks over this area
Diagnosis
o Sepsis
o Scratch marks over veins
o Lump in groin with evidence of scratching
o Needle marks
Drugs?
o Abscess
Further history
o Lives alone
o Previous DVT
o No recent trauma or surgery
o IV Drug user
Risk of complication
Bacteria
Diagnosis
o Groin lump is an abscess
o Travelled around body and to the knee
o High WBC count
o Acute inflammatory markers very high
o Normal biochemistry and renal function
o Normal uric acid
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