9 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... test, ANA (e.g., SLE ... (CVID, WAS), (neurologic ... - Bone marrow evaluation ... #Workup #hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Prognosis: Usually mild ... • Immunologic Workup ... of SLEEvolution ... #diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Diagnosis and Management ... • Immunologic Workup ... Positive in 60-80% of cases ... of SLEEvolution ... #Summary #rheumatology
Management of Lupus Nephritis
Lupus nephritis (LN) in 10 to 40% of SLE
Hallmark = proteinuria 20.5 g/g
Management of Lupus ... in 10 to 40% of SLE ... renal histological evaluation ... #rheumatology # ... nephrology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... autoantibodies that will cause ... #CNS #neurology ... #rheumatology # ... cerebritis #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
cytokines (TNFa,lL1, IL6 ... Autoimmune diseases: SLE ... Drugs, Unknown cause ... inhibitors under evaluation ... Lymphohistiocytosis #diagnosis #management
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
BCNIE relies on evaluation ... but important causes ... See charts - ... antiphospholipid syndrome ... #differential #workup
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... Hypocomplementemia • Can cause ... • Interstitial Pneumonitis ... Nephrogenic DI Hematologic ... Diagnosis #Management
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
is rare in DIL, SCLE-DIL ... • Immunologic Workup ... Prognosis: Usually mild ... Discontinuation of causal ... diagnosis #treatment #management