15 results
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... • Immunologic Workup ... constitutional symptoms ... • Immunologic Workup ... #diagnosis #management
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... - Differential Diagnosis ... and Workup History ... pylori test (GI symptoms ... #Causes #Workup
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential Diagnosis ... • TTP/HUS • DIC ... #Algorithm #Causes ... #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... of SLE versus DIL ... • Immunologic Workup ... Positive in 60-80% of cases ... Erythematosus #Diagnosis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... evaluation or workup ... for specific symptoms ... #Differential #diagnosis ... #hematology #eosinophilia
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... hemostasis: - Thrombocytopenia ... Autoimmune Vasculitis (lupus ... deficiency Work ... #Algorithm #Causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... microangiopathy: Thrombotic thrombocytopenic ... usually IgG) (e.g. lupus ... #hematology #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Algorithm • Sickle ... Schistocytes, thrombocytopenia ... - DIC, TTP, HELLP ... #Algorithm #workup ... #hematology #testing
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... SLE (systemic lupus ... purpura - DIC ... #peds #pediatrics ... #diagnosis #differential
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
Constitutional symptoms ... • Immunologic Workup ... constitutional symptoms ... #DIL #rheumatology ... #diagnosis #treatment