VTE

Card Set Information

Author:
Anonymous
ID:
101317
Filename:
VTE
Updated:
2011-09-12 19:48:11
Tags:
VTE
Folders:

Description:
VTE TP I notes
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  1. What are the risk factors of VTE?
    • *Immobility
    • *Estrogen use (i.e., birth control)
    • *Heart disease (i.e., CHF)
    • *Inherited coagulation disorders
    • *Prior VTE

    • -Malignancy
    • -Surgery
    • -Trauma
    • -Obesity
    • -Age
  2. What tests are used to diagnose DVT?
    *Doppler ultrasound (sound waves, detect absence of blood flow)

    • -Impedance plethysmography (changes in electrical resistance)
    • -Venography (contrast)
  3. What tests are run to diagnose PE?
    • *CT scan
    • *V/Q scan

    • -EKG, CXR, arterial blood gas
    • -Pulmonary angiography
  4. How does UFH work?
    • -Binds to and accelerates antithrombin III activity.
    • -The complex inactivates mostly thrombin (factor IIa) and factor Xa

    -Body dissolves clot.
  5. What is the antidote for major bleeding caused by heparin?
    Protamine sulfate
  6. What is the dose of protamine sulfate?
    • -1 mg per 100 U of heparin administered within the past 4 hrs.
    • -Infuse slowly: no faster than 50 mg over 10 mins

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