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BSI 322 - Soins intensifs > Mdx - Nitroglycérine > Flashcards

Mdx - Nitroglycérine Flashcards

1
Q

Classe
Nitro

A

Vasodilatateur

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2
Q

Indications
Nitro

A

Crises hypertensives
Ischémies myocardique (DRS)
OAP
HTA pulmonaire

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3
Q

Mécanisme d’action
Nitro

A

Vasodilatateur à effet direct : captée par le muscle vasculaire lisse (convertie en oxide nitrique) = vasodilatation
Soulagement de la DRA par vasodilatation veineuse qui diminue la consommation en O2 en diminuant la précharge

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4
Q

Effets recherchés
Nitro

A

Diminuer la TA
Soulager la dyspnée
Soulager la DRS

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5
Q

Évaluations
Nitro

A

Réponse au tx selon indication (DRS, TA)

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6
Q

Surveillances
Nitro

A

Céphalées
Hypotension
Tachycardie réflexe (diminution TA active les barorécepteurs, ce qui entraine une tachycardie réflexe)
Tolérance après 24h d’utilisation (pas convertie en oxide nitrique)
HTO re pooling veineux -> diminue retour veineux vers le coeur.

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BSI 322 - Soins intensifs (3 decks)

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