11 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... • HCV, HBV Not ... Vasculopathy #Purpura #Differential ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... • Infections: HCV ... infection, HBV ... infection, HIV infection ... classification #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

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

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Epidural abscess - Herpes ... zoster - HIV ... #Leg #pain #differential ... extremity #msk #physicalexam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tract, and often causes ... Cryoglobulins • HIV ... • HBV HCV • ... #diagnosis #rheumatology
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
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Washed RBC • Single ... infections with skin ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV
Lichen Planus- ...On examination, numerous purple papules were noted on the anterior surface of the forearms
Although the cause ... association with HCV ... association between HCV ... #NEJM #clinical ... #photo #lichen #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Like in this case ... - parvovirus, HIV ... , hepatitis, herpes ... Joint #Pain #MSK #rheumatology ... approach #workup #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... muscle weakness • Nerves ... HTN • Check: HBV ... tract, and often causes ... #Diagnosis #Rheumatology