travail respiratoire Flashcards

1
Q

composantes du SR

A

poumon (parenchyme)
cage thoracique
muscles respi

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2
Q

defaillance de la fonction respi

A

commande respi echec (anest, mx neuro-musc, intox)
défaut mécanique (trauma thorax, trouble musc, hernie)
fatigue muscles (consom++ apport–)

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3
Q

commande respi echec signes

A

dim FR arret respi
dim volumes

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4
Q

défaut mécanique signe

A

dim amplitude thorax, FR aug, contusion sur torax

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5
Q

Signes fatigue muscles

A

aug FR, alternance respi, dim VM, arret respi

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6
Q

définition du travail respi

A

travail mécanique des musc respi pour accomplir une ventilation

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7
Q

causes de l’aug du TR/WOB

A

C dim ou aug
R aug
expi active
mode ventilatoire

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8
Q

compliance

A

cpacité de s’étirer

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9
Q

elastance

A

capacité de reprendre sa forme

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10
Q

résistance

A

facteur qui empeche l’écoulement normal de l’air

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11
Q

TR supplémentaire a cause de l’intub

A

tube endo (petit)
ventilateur difficile a déclencher
pression plus diff que débit
débit de pointe trop faible
si Rexpi aug, expi devient active

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12
Q

consommation o2 des musc respi

A

normal: 5%
VAP: 15%-25%
si consom aug, it means TR aug

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13
Q

travail inspi formule

A

WOB= ((PIP-Pplat/2)*Vt /100

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14
Q

signes cliniques de l’augmentation du TR

A

FR anormale, musc accessoires, mouvement asynchrone thorax-abdo, évasement/rétraction tissus

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15
Q

comment réduire TR en intubation?

A

bon réglage des para
toilette bronchique
pharmaco
tube endo plus gros poss

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