16 results
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... of thrombocytopenia ... purpura/hemolytic ... , Hematology 2012 ... , p 193 #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... microangiopathy: Thrombotic thrombocytopenic ... purpura (TTP), ... usually IgG) (e.g. lupus ... #hematology #anemia
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... (<1000/MM3) - THROMBOCYTOPENIA ... anemia #Diagnosis ... #Rheumatology # ... SLE #Lupus #Erythematosus
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... - CTD (SLE) ... #hematology #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
rash, Vasculitis, Purpura ... ) Blood (75%): Anemia ... #Lupus #SLE #systemic ... signs #symptoms #diagnosis ... #rheumatology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
) - SLE ( ... systemic lupus erythematosus ... , SLE - Scurvy ... #Causes #peds #pediatrics ... #diagnosis #differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... genotypes): SS, SC, SE ... Schistocytes, thrombocytopenia ... #workup #hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Neurological 12% - Thrombocytopenia ... Lymphadenopathies 7% - Hemolytic ... anemia 4% - Myositis ... Lupusreference #SLE ... #differential #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
domain: Leukopenia, Thrombocytopenia ... , Autoimmune hemolysis ... Classification #Criteria #SLE ... Erythematosus #diagnosis ... #rheumatology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
for Thrombotic Thrombocytopenic ... Purpura Activity ... result in severe anemia ... anemia Indirect ... #Workup #Hematology