NON INVASIVE CPAP AND BiPAP || Questions and 100%
Verified Answers.
indications for NIV CPAP / BiPAP
(6) correct answers -sleep apnea central or obstructive
-worsening alveolar hypoventilation
-hypoxemia w/ supplemental oxygen
-acute resp acidosis w/ increase WOB
-intubation contraindicated
-weaning phase post-extubation to avoid reintubation
intubation criteria correct answers -acute vent failure: PH < 7.25 or 7.30, CO2 > 50 , apnea
-severe hypoxemia:PaO2, SaO2, CaO2, Qs/Qt, P/F ratio, A-a gradient
- 60-60 rule
-impending vent failure: progressive acidosis, hypovent according to Vt, RR, Ve, VC, NIF
-prophylactic vent support
alveolar ventilation correct answers Vt - Vd
CPAP/BiPAP works by giving more flow correct answers to reach set pressure
60-60 rule correct answers PT w/ CO2 > than 60 and PaO2< 60 w/ pH 7.30 or < will not be able
to recover on their own.
PT who is apneic must be correct answers intubated
mask for NIV can correct answers push back jaw causing and obstruction to flow
-this is why we must be looking for bilat chest rise not just looking at vent/ BiPAP
there is no exp limb w/ correct answers NIV , no measured exhaled Vt
face mask CAN NOT be used for correct answers burn victims
breath sounds for pulmonary edema correct answers at first rales/crackles, then rhonchi
rise time correct answers makes flow come out easier and more rounded
high pressure alarm should be set correct answers 10 above PIP
low pressure alarm set correct answers a few below CPAP/ PEEP/ EPAP level
one way to check if PT is eliminating enough CO2 correct answers LOC!! , if PT is retaining
CO2 they will be sleepy, and will not arouse easily
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