Hematology/Immunology Flashcards
Name the condition: Blood enzyme disorder with skin lesions caused by the sun.
Porphyria
When is TIBC increased and decreased?
INCREASED: Fe deficiency anemia, PG and hormonal birth control.
DECREASED: Anemia chronic disease, sideroblastic anemia and hemochromatosis.
What defines a “left shift”? a “right shift”?
Over 6% immature band neutrophils (indicates bacterial infection.
Hypersegmented neutrophils - macrocytic anemia. B12-Folate deficiency
Common causes of microcytic anemia?
Iron def, thalassemia, sideroblastic anemia, lead poisoning
Common causes of normocytic anemia?
Acute blood loss, hemolysis, anemia of chronic dz, anemia of renal failure, myelodysplastic syndromes
Common causes of macrocytic anemia?
Folate or B12 def, drug toxicity, alcoholism/chronic liver dz
What is contraindicated in patients with G6P deficiency?
Oxidant drugs (e.g. Vit C > 5 gram), sulfa-drugs
What is a primary presenting symptom of sickle cell crisis?
Bone pain after exertion
What vascular bleeding disorder occurs in children after acute URI and report joint pain, abd pain, and possible renal involvement?
Henoch-Schonlein Purpura
Disorder that follows URI or viral infection and present with petechiae and other bleeding (gums).
Idiopathic thrombocytopenia purpura
Disorders of 30-40yo due to inhibitor of vWF-cleaving protease and unchecked platelet aggregation.
Thrombotic thrombocytopenic purpura
What are common organisms that might cause Hemolytic Uremic Syndrome?
E. Coli O157:H7, Shigella, Staphylococcus, or other E. Coli
Drugs to - esp chemo, and OCPs
In what condition are Bence Jones proteinuria found?
Multiple myeloma
MC hereditary coagulation disorder presenting with possible hx of heavy menses, epistaxis, easy bruising, GI bleeds.
Von Willebrand’s Dz
Causes of DIC.
Complications of obstetrics, infection (Gm - with endotoxin), malignancy (adenocarcinoma of the pancreas, prostate, or leukemia)
Hemophilia A is associated with a genetic deficiency of what factor?
Factor VIII `