March '22 Flashcards
which gastric hormone is hypersecreted, resulting in PUD and pruritus, a common complication of polycythemia vera?
histamine
tx of minor bleeding in hemophilia A?
topical thrombin
what test will be abnormal in hemophilia B?
a PTT
what side effect can patient’s with hemophilia B and inhibitors experience if given factor replacement?
anaphylaxis
when does the nadir in the absolute neutrophil count occur after the completion of a chemotherapy session?
5-14 days
MCC of drug induced neutropenia in children?
due to abx - macrolides, cephalosporins, and penicillins
hyperdense lines at the metaphyses in young children on knee and wrist XR
lead lines - chronic lead poisoning
when are hypersegmented neutrophils seen?
multiple forms of megaloblastic anemia such as alcohol use, folate deficiency, and vitamin B12 deficiency
microcytic, hypochromic anemia in patient of mediterranean descent
thalassemia
crew cut skull XR, chipmunk facies
beta thalassemia major
antibiotic best known for causing aplastic anemia
chloramphenicol
stable patient getting hives and pruritis shortly after starting blood transfusion - treatment?
continue transfusion - give antihistamine as this is likely allergic reaction, unlikely IgA deficiency
Labs of DIC
high PT, PTT, thrombin clotting time
low platelets, fibrinogen
acute GI bleed and pt on warfarin - next step?
Vit K IV, + FFP
MC gram negative pathogen identified in neutropenic fever?
pseudomonas
what are the components of cryoprecipitate?
Factors VIII and XIII, vWF, fibrinogen, and fibronectin