Choque circulatório Flashcards

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1
Q

Definiçao de choque

A

Estado de baixa perfusão periférica

Desbalanço entre oferta de O2 e consumo

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2
Q

Pressao de perfusao calculo

A

DC x RVS

PAM- PVC

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3
Q

Classificaçao do choque circulatorio

A

Hipovolemico
Cardiogenico
Obstrutivo
Distributivo

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4
Q

Qnd ocorre queda da PA durante hemorragia?

A

Apos perda de 1/3 sangue

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5
Q

Quando ocorre choque cardiogenico

A

40% do miocardio destruido por isquemia, inflamaçao, toxinas ou reaçoes imunes

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6
Q

Caracteristica do choque distributivo

A

Vasodilataçao periferica

DC normal

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7
Q

Etiologia do choque hipovolemico

A

Hemorragico: trauma, sangramento TGI, retroperitoneal

Depleçao liq: desidrataçao, vomitos, queimaduras

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8
Q

Etiologia choque cardiogenico

A

Lesao cardiaca direta: IAM, miocardite, toxicidade drogas

Mecanica: anormalidade valvar, CIV

Arritimias: brad e taqui

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9
Q

Etiologia choque obstrutivo

A

Reduçao pré carga: pneumotorax hipetensivo

Reduçao pos carga: embolia pulmonar maciça, dissecçao aortica

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10
Q

Etiologia choque distributivo

A

Séptico

Anafilatico

Neurogenico

Endocrino: crise adrenal

Toxico: sd choque toxico, nitroprussiato

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11
Q

Choque neurogenico

A

Intensa vasoplegia (venosa e arterial)

Reduçao do retorno venoso, DC, RVS

Hipotensao+ bradicardia + deficit motor

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12
Q

Exames em pct com choque

A
Rx
ECG
HEMOGRAMA
EAS
GLICEMIA CAPILAR
GASOMETRIA
ELETROLITOS
UREA/CREATININA
LACTATO
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13
Q

Parametro laboratorial que melhor indica ma perfusao tecidual e prognostico

A

Lactato serico

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14
Q

Cateter de Swan-ganz: PVC

A

Traduz a volemia

Nao e confiavel nos extremos de volemia

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15
Q

Cateter de swan-ganz: PAP

A

Pressao da arteria pulmonar

Reflete a pressao do ventriculo direito

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16
Q

Swan-ganz: pressao capilar pulmonar

A

Pcap ou PoAp

Reflete a pressao no Atrio E

17
Q

Swan-ganz: qm reflete funçao VE

A

Debito cardiaco

18
Q

Sean ganz: oxigenaçao

A

Sangue venoso central

SVcO2

19
Q

Indicaçao swan ganz

A

Avaliar pct com choque

Nao altera sobrevida

20
Q

Choques circulatorios hipodinamicos

A

Baixo DC e alta RVS

Baixa PVC e Pcap: hipovolemico

Alto PVC e Pcap: cardiogenico/obstrutivo

Alto PVC e Pcap normal: TEP e IAM de VD

21
Q

Choque circulatorio hiperdinamico

A

Baixa RVS e alto DC

Baixa PVC e Pcap: distributivo

Sepse, anafilaxia, neurogenico

22
Q

Tto geral choque circulatorio

A

Volume
Tonus arteriolar
Funçao ventricular

23
Q

Tto choque circulatorio: volemia

A

Cristaloides (SF, Ringer)
Coloide
Sangue

24
Q

Tto choque circulatorio

Tonus arteriolar

A

Vasopressores:
Noradrenalina
Vasopressina
Dopamina (> 10ug/kg/min)

25
Q

Tto choque circulatorio: funçao ventricular

A

Inotropicos:
Dobutamina
Milrinona
Dopamina (3-10ug/kg/min)

26
Q

Tto choque: refratarios

A

Sepse: corticoide

TEP: trombolitico

IC: balao intra-aórtico