sympatholytiques Flashcards

1
Q

quoi 2 indication th principale des A-sympatholytique?

A

diminuer TA

HBP(hyperplasie benigne de la prostate)

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2
Q

quoi effet bloquer A1

A

vasodilatation

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3
Q

A-bloquant non spécifique:
Phénoxybenzamine(irreversible)PO action lente et phentolamine(action rapide IV)

effet ph?
indication?
limites utilisations?

A

A1=vasodil, dim TA
A2=aug NA ds fente(pu de retrocontrole)=effet beta=tachycardie

contre crise hypertensives

hypotension orthostatique et tachycardie reflexe

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4
Q

A-bloquant spécifique(A1):

indication? quelle sous recept?

A

HTA=tous A1

HBP=A1a->relachement de la prostate et des muscle de la vessie

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5
Q

prazosin(Minipress) quoi?

A

A-bloquant spécifique(A1):

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6
Q

tamsulosin, alfuzocin, silodosine=indiqué pr

A

HBP car A-bloquant spécifique(A1a)

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7
Q

quoi 3 application th principale des beta-bloquant?

A

protection muscle cardiaque(contre MCAS, tachycardie sinusale, arythmie supraventriculaire, inssufissance cardiaque compensé)
dim TA
glaucome(dim pression interne oeil)

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8
Q

quoi effet des beta-bloqueurs cardio-spécifique(B1)

A

dim FC
dim contractibilité myocarde
dim TA

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9
Q

quoi effet des beta-bloqueurs B2?

A

bronchoconstrictiom

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10
Q

quoi indication carvédilol, metoprolol(Lopressor), bisoprolol(Monocor)?

A

insuffisance cardiaque compensé

beta bloqueur cardio specifique

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11
Q

quelle catégorie de rx les muscien prenne pr diminuer les effets du trec?

A

beta-bloquant

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12
Q

contre-indication des beta bloqueur?(3)

EI(2)

A

insuffisance cardiaque DÉCOMPENSÉ
asthme/MPOC
hypoglycémie en cas de diabete sucré(bloque adrenaline envoyé lors d’une hypoglycemie)

bradycardie, bloc AV
effets SNC(depression, cauchemar, insomnie, fatigue)
dysfonction sexuelle

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13
Q

propanolol(inderal)=quell categorie sympatholytique

quoi son desavanatge?

A

beta bloqueur non spécifique

tres liposlb donc bcp effet SNC

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14
Q

quoi indication timolol(beta bloqueur non psecifique)

A

glaucome, topique

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