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USMLE First Aid: Immunodeficiencies/Autoimmune
Review
23
Medical
Professional
05/28/2014

Additional Medical Flashcards

 


 

Cards

Term
B cell deficiency causing recurrent respiratory tract bacterial inefctions in boys older than 6 months of age?
Definition
X-linked agammaglobulinemia
Term
T cell deficiency due to failure of development of third and 4th pharyngeal pouches?
90% have 22q11 deletion seen with FISH
Definition
Thymic aplasia (DiGeorge syndrome)
Term
Triad of failure to thrive, chronic diarrhea, and recurrent viral, bacteril, fungal and protozoal infections.
Definition
severe combined immunodeficiency
Term
-Auto recessive disease characterized by IgA deficiency, cerebellar dysfunction and conjunctival telangiectasis?
-Increased AFP in kids >8
-Radiation sensitivity
-Increased risk for lymphoma and acute leukemias
Definition
ataxia-telangiectasia
Term
XL deficiency of (NADPH) oxidase activity, resulting in an im[aired neutrophil respiratory burst and leading to increased bacterial and fungal infections
Definition
chronic granulomatous disease
Term
-Negative nitroblue tetrazolium test
-Susceptile to organisms with catalase (S. aereus, E. coli, Klebsiella, Aspergillus, and Candida)
Definition
chronic granulomatous disease
Term
recurrent bactterial infections early in life due to a defect in CD40 ligand and prevents B cells class switching? Can be X-linked, AR, or associated with a NEMO deficiency. Increased IgM, decrease in all other Ig's.
Definition
Hyper-IgM syndrome
Term
Auto recessive microtubule defect resulting in decreased phagocytosis, partial albinism and neuropathy?
Definition
Chediak-Higashi disease
Term
Auto recessive syndrome characteriezed by failure of neutrophil chemotaxis(IFN gamma), elevated IgE, and triad of eczema, , noninflamed staph absecesses, and course facial features? also may have retained primary teeth
Definition
Job (hyper IgE) syndrome
Term
XL recessive disease characterized by recurrent infections, thrombocytopenia/purpura, eczema?
Definition
Wiskott-Aldrich syndrome
Term
-Mutation of Btk tyrosine kinase gene resulting in the underproduction of all class of Ab's
-X linked
-recurrent bacterial infections after 6 months
Definition
XL agammaglobulinemia (Bruton's)
Term
adenosine deaminase deficiency
Definition
severe combined immunodeficiency
Term
Associated with Staph aureus, Strep pneumoniae, and Haemophilus influenzae respiratory infections and persistent Giardia lamblia infections?
Definition
XL agammaglobulinemia
Term
Associated with recurrent GI and pulmonary infections, Atopy, Autoimmune disease and Anaphylaxis to IgA products such as blood transfusions.
Definition
isolated IgA deficiency
Term
Frequent viral and fugal inefctions in a patient with hypocalcemia due to low PTH levels?
Definition
Thymic aplasia (DiGeorge syndrome)
Term
Associated with tetany and congenital defects in the heart and aorta
Definition
Thymic aplasia (DiGeorge syndrome)
Term
no thymic shadow on X-ray
Definition
severe combined immunodeficiency and DiGeorge syndrome
Term
increased IgA, normal IgE and decreased IgM levels(capsule polysacharides of bacteria?
Definition
Wiskott-Aldrich syndrome
Term
Hypogammaglobulinemia commonly due to failure of T cell mediated B cell maturation?
Definition
common variable immunodeficiency
Term
appear healthy but suffer from recurrent sinus and lung infections, associated with atopy, asthma, and may have possible anaphylaxis to blood transfusions and blood products
Definition
Selective IgA deficiency
Term
T cell dysfunction leading to C. Albicans infections
Definition
Chronic mucocutaneous candidiasis
Term
T cell deficiency associated with mycobacterial infections
Definition
IL-12 receptor deficiency
Term
Abnormal integrins that result in inability of phagocytes to exit circulation. May see delayed separation of umbilical cord
Definition
LAD or Leukocyte Adhesion Deficiency Syndrome
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