allergy and immunology p 47 - 54 Flashcards
what is another term for “anaphylaxis?”
immediate hypersensitivity
what is the most important cause of anaphylaxis in health care workers?
latex
what do you call the localized anaphylaxis with “wheal and flare?”
urticaria
name 3 hallmark symptoms of anaphylaxis?
rash, hypotension, respiratory symptoms (shortness of breath, wheezing, swelling of lips, tongue, stridor)
what are the best initial therapy for anaphylaxis?
epinephrine, antihistamines such as diphenhydramine (H1 blocker), glucocorticouds, emergent airway protection
a 2 y/o female comes in for freq. infection with low B cell count but normal T cells, what is the dx?
common variable immunodeficiency (CVID)
3 y/o male comes in for frequent infection with low B cell count but normal T cells, what is the dx?
X-linked (Bruton) agammaglobulinemia
name the 4 clinical hallmarks of Wiskott-Aldrich syndrome
normal T-cells
normal B-cells
low platelet
eczema
2 clinical hallmarks for IgA def?
atopic dz, anaphylaxis upon blood transfusion
2 dx tests for chronic granulomatous disease?
nitroblue tetrazolium testing
dihydrorhodamine 123 (DHR) test
what is the hallmark clinical sx of chronic granulomatous dz?
lymph nodes with purulent material leaking out
name 4 microbes associated with chronic granulomatous dz
staph, burkholderia, nocardia, aspergillus
catalase positive organisms
dx? a young female comes in with freq skin infection with staph
hyper IgE syndrome
5 symptoms of IgA def
sinopulmonary infections, atopic dz, anaphylaxis to blood transfusion, spruelike condition with fat malabsorption, inc risk of vitiligo, thyroiditis, and rheumatoid arthritis
dx?
6 month old boy comes in with recurrent sinopulmonary infection and PCP, Candida infections which you would expect to see in HIV pts
severe combined immunodef