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EM Hema/Onco
Emergency Medicine Hematology & Oncology
12
Medical
Post-Graduate
01/21/2009

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Cards

Term
Immediate transfusion rxn
Definition
1.MC - Febrile non-hemolytic transfusion rxn - interaction non-RBC
Si/Sx: fvr, chills, usually miltiparous, components & multiple transfusions - Not dangerous!
2.1.Acute hemolytic transfusion reaction - from RBC (ABO) indompatibility. DANGEROUS!
Si/Sx: fvr, chills, low back pain, burning site, decr tension bleed, ATN
3. Allergic Tx Rxn- plasma protein incompatibility
Term
Hi PTT
Normal PT
Definition
Factors VIII, IX, XI
Fact VII def
Hepatitis
Hemophilia A & B
Term
Methemoglobinemia
Definition
Cyanosis
Chocolate blood
Asymptomatic
Fatigue, weakness, dizziness, HA
Lethargy, stupor, rep, depression
Term
Clinical manifestations of sickle trait (HbAS)
Definition
Painless hematuria
Hyposthenuria (impaired ability to concentrate urine)
Vaso-occlusive crisis (i.e. extreme hypoxia)- rarely
Term
Complications of massive PRBC's transfusions
Definition
Coagulopathies
Hypothermia
Microembolization -ARDS
Hypocalcemia (citrate tox)
Hyperkalemia/acidosis
Term
Labs findings in vonWillebrand dz
Definition
•Bleeding time, PTT •Normal: Plt, PT •Abnormal vWF or vWF Antigen or Factor VIII:C
Term
WBC's & radiation (prognostic #'s)
Definition
48 hrs post exposure: >1200:very good; 300-1200 possibly lethal; <300 lethal
Term
What is Christmas dz
Definition
Hemophilia B: sex-linked rec, factor XI def
Term
PLT: transfusion contraindicated in?
Definition
TTP-
Term
Tx for TTP
Definition
❑ 1st line tx: plasmapharesis (fresh frozen plasma exchange) ❑ Rx: Corticosteroids, plasmapharesis w/FFP, ASA, splenectomy, heparin, vancristine, gamaglobulin ❑88% mortality in 3mo if unTx; 17% w/Tx
Term
DDX of ↑PT + ↑PTT
Definition
•Heparin or Coumadin o/d •Vit K def. & mod-severe liver dz •DIC •Dysfxn/def in fibrinogen •Massive transfusion of stored blood (def factors V & VIII)
Term
Sickle crisis
Definition
Vaso-occlusive, hemolytic (ill, jaundice) •Sequestration (kids 6 mo-6 y/o, abd pain, pallor, shock) •Aplastic crisis (usually 2ry to parvovirus)
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