6 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Epidural abscess - Herpes ... zoster - HIV ... /swelling - Fever ... lower #extremity #msk ... #physicalexam
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... - parvovirus, HIV ... , hepatitis, herpes ... #Joint #Pain #MSK ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
to exclude are infections ... Large Vessel: Blood ... Cryoglobulins • HIV ... • HBV HCV • ... differential #diagnosis #rheumatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
pain, dark urine ... with skin flora ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
pain, dark urine ... with skin flora ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... arthralgia, arm/leg ... HTN • Check: HBV ... purpura (lower legs ... Differential #Diagnosis #Rheumatology