Status asthamticus Flashcards

(12 cards)

1
Q

But de la ventilation pour astmaticus

A

1) relais muscles respiratoires
2) assurer Pao2
3) eviter arret
4) eviter barotraumatismes

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2
Q

Reglages de VI asthamticus

A
Vac-Vol
Fr 6 a 10
ration 1:4
4 a 8 ml/kg
debit constant 60 lpm
hupercapnie permissive
Sat>90%
humidite= pas HME
peep tot <10 cmh2o
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3
Q

Pourquoi utilisé du des ou sevoflurane

A

bronchospasmes suraigues

non soulagés pas la mx

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4
Q

Pourquoi utiliser de l’helium

A

pour reduire la resistance bronchique

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5
Q

A cmb de %O2 l’helium perd son efficacité

A

40 a 60% O2

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6
Q

Indications intubation asthme

A

detresse vitale non reversible a la mx
arret cardio/coma/apnee
aggravation de l’hypercapnie
alteration etat de conscience

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7
Q

Complications de l’intubation chez status asthmaticus

A

arret d’origine anoxique

defaillance hemodynamique du a l’hyperinflation

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8
Q

Prealables de l’intibation chez status asthmaticus

A

HyperO2 pour diminuer arythmies
expansion volemique
intubation sequence rapide

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9
Q

Qu’est ce qui arrive dans le cross over de l’asthme

A

Le Ph se normalise, mais la FR reste ++

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10
Q

1ere etape du cross over

A

Ph alcalin (7,46)
Co2 diminué (32)
Spo2 (95)
Fr (28)

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11
Q

2 eme etape cross over

A

Ph N (7,44)
Co2 N (38)
Spo2 (94)
Fr (42)*****

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12
Q

3eme etape du cross over

A

Ph acidotique (7,35)
Co2 eleve (48)
Desaturration (90)
epuisement des muscles de la respiration***

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