9 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Causes of Leg Pain ... Epidural abscess - Herpes ... zoster - HIV ... /swelling - Fever ... extremity #msk #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... • HCV, HBV Not ... mountain spotted fever ... • Drug reactions ... #rheumatology #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
pain/Night sweats ... Brucellosis - Viruses: HIV ... Chikungunya - Herpes ... virus: CMV, HSV ... diagnosis #msk #physicalexam
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
pain, dark urine ... skin flora (GPCs ... 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 ... skin flora (GPCs ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... disease, drug reactions ... to exclude are infections ... Cryoglobulins • HIV ... • HBV HCV
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
of treatment of HIV ... • 10-20% of HIV-infected ... a decrease in HIV ... pancreatitis • HBV ... , HCV - Hepatic
Approach to Joint Pain - Diagnostic Framework

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

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

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
disease, drug reactions ... tract: Abdominal pain ... HTN • Check: HBV ... tract, and often causes ... Differential #Diagnosis #Rheumatology