67 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Splenomegaly - CTD (SLE ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Behcet's Syndrome - Treatment
Ulcers:
 • Treatment: Topical steroids
 • Prevention: Colchicine
 • Azathioprine for refractory disease
Arthritis:
Behcet's Syndrome - Treatment ... Ulcers: • Treatment ... immunosuppressive meds) Vascular ... #management #pharmacology ... #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac disease ... effect following treatment ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Vascular System ... TeIangiectasia Vascular ... Diagnosis #Algorithm #Causes ... #Hematology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
dysmotility • MCTD (SLE ... • Specific for SLE ... Treatment: • ... Erythematosus #SLE ... Summary #diagnosis #rheumatology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Measurement in SLE ... • Special cases ... #Measurement #SLE ... #rheumatology # ... pharmacology #levels
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... Positive in 60-80% of cases ... life-threatening • Treatment ... Evolution: Chronic disease ... Management #Summary #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
PT, aPTT(liver disease ... test, ANA (e.g., SLE ... bypass), LFT (liver disease ... or if a primary hematologic ... #Workup #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
) • Rheumatic Diseases ... : IgG4-Related Disease ... erythematosus (SLE ... (SPA) • Other Causes ... Differential #Diagnosis #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Avascular necrosis ... dz difficult to see ... #hematology