56 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
decreased PLT count: CBC ... pylori test (GI symptoms ... test, ANA (e.g., SLE ... or if a primary hematologic ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Artifact (redo CBC ... • Rheumatic disorders ... Diagnosis #Algorithm #Causes ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
, or other causes ... Splenomegaly - CTD (SLE ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... CNS #neurology #rheumatology ... cerebritis #diagnosis #management
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... workup for specific symptoms ... for secondary causes ... eosinophilia (common causes ... Differential #diagnosis #hematology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Measurement in SLE ... • Special cases ... #Measurement #SLE ... #rheumatology # ... levels #lupus #management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... constitutional symptoms ... Usual therapeutic management ... comparison #table #rheumatology ... #diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Diagnosis and Management ... Positive in 60-80% of cases ... Usual therapeutic management ... Erythematosus #Diagnosis #Management ... #Summary #rheumatology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... acute ischemic disorder ... the optic nerve caused ... • Cephalic symptoms ... GiantCellArteritis #GCA #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
erythematosus (SLE ... (SPA) • Other Causes ... Cancer, Histiocytic disorders ... Mycobacterial Causes ... Differential #Diagnosis #rheumatology