8 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Causes of Leg Pain ... : • Infection: ... Epidural abscess - Herpes ... zoster - HIV ... lower #extremity #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint pain ... Brucellosis - Viruses: HIV ... Chikungunya - Herpes ... virus: CMV, HSV ... differential #diagnosis #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... Like in this case ... - parvovirus, HIV ... , hepatitis, herpes ... #Joint #Pain #MSK
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... to exclude are infections ... , testes -> pain ... Cryoglobulins • HIV ... • HBV HCV
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
: Fever, flank pain ... skin flora (GPCs ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... macrophages in HIV ... low if you have HIV ... nodules possible in HIV ... #HIV #AIDS #pulmonary
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
: Fever, flank pain ... skin flora (GPCs ... 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,
to exclude are infections ... muscle weakness • Nerves ... HTN • Check: HBV ... tract, and often causes ... involvement, abdominal pain