10 results
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
causing endothelial injury ... • They can cause ... Cryoglobulins Cause ... (e.g. systemic lupus ... classification #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... ANCA associated vasculitis ... (RA), Systemic lupus ... erythematosus (SLE ... #Diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Splenomegaly - CTD (SLE ... /HSP • Cryoglobulinemia ... Associated - SLE ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
B19 infection Malar ... Hypersensitivity vasculitis ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Post-strep GN, Lupus ... Nephritis, Cryoglobulinemia ... Glomerulonephritis #Vasculitis ... #differential #
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Effusion - Differential ... Non-Infectious: • Rheumatologic ... : SLE, Rheumatoid ... Mediterranean Fever • Vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... such as systemic lupus ... , and SLE) • Urinalysis ... #rheumatology #
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Kaposi's sarcoma • Rheumatologic ... Autoimmune: ANCA-Assoc vasculitis ... > EGPA, MPA), Cryoglobulinemia ... Goodpasture's, SLE ... Diagnosis #pulmonary #causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Photosensitivity • Malar ... Erythematosus #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diseases, such as SLE ... tract, and often causes ... / ANCA + MPO) Cryoglobulinemic ... Diagnosis #Rheumatology