11 results
Bayesian combination of 4T score with Heparin PF4 antibody titer to obtain the post-test probability of
with Heparin PF4 antibody ... PF4Antibody #Bayesian #Diagnosis ... #Hematology #HITT ... #Thrombocytopenia
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear Antibody ... anti-topoisomerase antibody ... #Antinuclear #Antibody ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
Includes granulomatosis ... associated with PR3+ antibody ... associated with MPO+ antibody ... PANCA #MPO #PR3 #Diagnosis ... #Rheumatology
4T Score for Heparin-Induced Thrombocytopenia

Interpretation of the 4T score:
0-3 points:  Low probability (<<1%)
  -
Heparin-Induced Thrombocytopenia ... check anti-PF4 antibody ... check anti-PF4 antibody ... #Diagnosis #Criteria ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential Diagnosis ... DIC, TTP, HUS - Antibody-mediated ... #Differential #Diagnosis ... #Framework #hematology
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... (<1000/MM3) - THROMBOCYTOPENIA ... - Anti-dsDNA antibody ... hemolytic anemia #Diagnosis ... #Rheumatology #
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Wegener's granulomatosis ... polyangiitis U1-RNP antibody ... disease Endomyseal antibody ... Associations #diseases #diagnosis ... #table #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
domain: Leukopenia, Thrombocytopenia ... Antiphospholipid antibody ... , Anti-Sm antibody ... Erythematosus #diagnosis ... #rheumatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... breast cancer Granulomatous ... specifically immune thrombocytopenia ... conditions Diagnosis ... #diagnosis #management
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
triad of MAHA + thrombocytopenia ... drug-associated TMA (antibody ... Microangiopathy #TMAs #hematology ... #diagnosis #ttp