11 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Glomerulonephritis #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
acute ischemic disorder ... • Cephalic symptoms ... #Rheumatology # ... Ophthalmology #Diagnosis ... #Algorithm
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... Cell Arteritis (GCA ... (RA), Systemic lupus ... Cancer, Histiocytic disorders ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... and branches • GCA ... Presentation - Systemic Symptoms ... #rheumatology # ... classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Labs/Diagnosis: ... (e.g. systemic lupus ... Cryoglobulins #diagnosis ... #types #classification ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... Presentation: Systemic Symptoms ... • Progressive symptoms ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... Differential Diagnosis ... Non-autoimmune rheumatologic ... : • Symptoms limited ... #Rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... - Collagen disorders ... (lupus, RA, Sjogren's ... #Algorithm #Causes
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... - Differential Diagnosis ... Algorithm Hodgkin ... pattern of spread, B symptoms ... #Classification
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Rare Disorder: ... development of skin symptoms ... lymphoma, breast CA ... Leukocytoclastic vasculitis ... ’s syndrome - Lupus