Home
Flashcards
Preview
weaning
Home
Get App
Take Quiz
Create
Patient is able to breath spontaneously for a defined period of time =
Success
Patient must return to mechanical ventilation before the defined period of time has ended =
Failure
How many % of pt's cannot be weaned off mech vent on the first attempt?
50%
Weaning is successful if pt stays off mech vent for how many hours?
24 hrs
Wean failure is based on: (9)
abgs
diaphoresis
inc rr
accessory muscle use
in hr
cardiac arrythmias
inc/dec bp
apnea
unresponsiveness
Impact failure increased stress on: (4)
pt psychologically & emotionally
pt's family
hosp resources
financial resources
Weaning conditions, 2 questions to ask prior to weaning:
has the pt recovered from underlying cond
does the pt have underlying med cond
Obj weaning data
PaCO2 < ____ w/ _______ Ph
< 50 w/ normal Ph
Obj weaning data
VC > _____-______ cc/Kg
shows what type of reserve?
VC > 10-15 cc/Kg
shows pulmonary reserve
Obj weaning data
Vt > _____-______ cc/Kg
5-8
Obj weaning data
RR < _______
< 30 bpm
Obj weaning data
Mv < ____ lpm
< 10 lpm
Obj weaning data
NIF (MIP) < _______ cmH20
shows what type of strength?
< -20
shows respiratory muscle strength
Obj weaning data
PEF > _____ cmH20
shows what type of strength?
> 20 cmH20
shows resp muscle strength
Obj weaning data
Sa02 > ______ @ FiO2 up to ______
> 90% @ FiO2 up to .40
Obj weaning data
shunt < _______%
< 10%
RSBI formula and normal range
rapid shallow breathing index
F / Vt
normal range: < 104
SWI formula and weaning success/failure ranges:
simplified weaning index
swi = f (PIP - PEEP) x PaC02
------------------ -----------
NIF 40
< 9 /min (success)
> 11 /min (failure)
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)
weaning trials, types of weaning modes (5)
simv
mmv
ps
vs
tc
weaning trials
simv to _____
ps/vs
weaning trials
max support (AC) to _____
ps
or to t-piece/ trach mask
Author
Anonymous
ID
48269
Card Set
weaning
Description
weaning
Updated
2010-11-09T01:21:30Z
Show Answers
Home
Flashcards
Preview