weaning

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Author:
Anonymous
ID:
48269
Filename:
weaning
Updated:
2010-11-08 20:21:30
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weaning
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Description:
weaning
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  1. Patient is able to breath spontaneously for a defined period of time =
    Success
  2. Patient must return to mechanical ventilation before the defined period of time has ended =
    Failure
  3. How many % of pt's cannot be weaned off mech vent on the first attempt?
    50%
  4. Weaning is successful if pt stays off mech vent for how many hours?
    24 hrs
  5. Wean failure is based on: (9)
    • abgs
    • diaphoresis
    • inc rr
    • accessory muscle use
    • in hr
    • cardiac arrythmias
    • inc/dec bp
    • apnea
    • unresponsiveness
  6. Impact failure increased stress on: (4)
    • pt psychologically & emotionally
    • pt's family
    • hosp resources
    • financial resources
  7. Weaning conditions, 2 questions to ask prior to weaning:
    • has the pt recovered from underlying cond
    • does the pt have underlying med cond
  8. Obj weaning data

    PaCO2 < ____ w/ _______ Ph
    < 50 w/ normal Ph
  9. Obj weaning data

    VC > _____-______ cc/Kg

    shows what type of reserve?
    VC > 10-15 cc/Kg

    shows pulmonary reserve
  10. Obj weaning data

    Vt > _____-______ cc/Kg
    5-8
  11. Obj weaning data

    RR < _______
    < 30 bpm
  12. Obj weaning data

    Mv < ____ lpm
    < 10 lpm
  13. Obj weaning data

    NIF (MIP) < _______ cmH20

    shows what type of strength?
    < -20

    shows respiratory muscle strength
  14. Obj weaning data

    PEF > _____ cmH20

    shows what type of strength?
    > 20 cmH20

    shows resp muscle strength
  15. Obj weaning data

    Sa02 > ______ @ FiO2 up to ______
    > 90% @ FiO2 up to .40
  16. Obj weaning data

    shunt < _______%
    < 10%
  17. RSBI formula and normal range
    rapid shallow breathing index

    F / Vt

    normal range: < 104
  18. SWI formula and weaning success/failure ranges:
    simplified weaning index

    • swi = f (PIP - PEEP) x PaC02
    • ------------------ -----------
    • NIF 40

    < 9 /min (success)

    > 11 /min (failure)
  19. CROP formula and weaning success range:
    compliance rate oxygenation & pressure index

    • CROP = C dyn x NIF x Pa02
    • -------
    • PA02
    • --------------------------------
    • f

    >/= 13 ml/breaths/min (success)
  20. weaning trials, types of weaning modes (5)
    • simv
    • mmv
    • ps
    • vs
    • tc
  21. weaning trials

    simv to _____
    ps/vs
  22. weaning trials

    max support (AC) to _____
    ps

    or to t-piece/ trach mask

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