12 results
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
half-life = 40 days ([HCQI ... 200ng/mL Best indications ... Hydroxychloroquine #HCQ ... Measurement #SLE #rheumatology ... pharmacology #levels #lupus
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
Non-HCV infectious ... cryoglobulinemia vasculitis ... - Diagnosis, causes ... neuropathy Treatment ... #Rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... tract, and often causes ... inflammation Others: • Lupus ... such as systemic lupus ... • HIV • HBV HCV
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonitis • Medication-induced ... Polymyositis-dermatomyositis, Lupus ... Sarcoidosis • Vasculitis ... #causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Post-strep GN, Lupus ... With associated pulmonary ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
Hydroxychloroquine - Risks and Benefits in Lupus
Benefits:
↓ Disease activity, ↓ Flare, ↓ Damage, ↓ Corticosteroid dose,
and Benefits in Lupus ... recommended with other medications ... Hydroxychloroquine #hcq ... Risks #Benefits #Lupus ... #sideeffects #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Infection - Vasculitis ... Immunosuppressed • New medication ... - Autoimmune Vasculitis ... (lupus, RA, Sjogren's
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... • Infections: HCV ... (e.g. systemic lupus ... classification #rheumatology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
duration), Several medications ... non-essential drug/HDS treatments ... for alternative causes ... infections (HAV, HBV, HCV ... Diagnosis #Algorithm #hepatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... , breast CA - Hematologic ... Leukocytoclastic vasculitis ... ’s syndrome - Lupus ... Treatment: - Systemic