Electro y arritmias Flashcards

1
Q

Tipos de derivaciones

A
  • Unipolares (avL, avR, AvF)
  • Estandar I,II,III
  • Precordiales v1-v6
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2
Q

V1-V2

A

Pared septal

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3
Q

v3-v4

A

pared anterior

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4
Q

V5-V6

A

Pared lateral alta

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5
Q

I, avL

A

Pared lateral alta baja

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6
Q

AvF, II y II

A

Pared inferior

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7
Q

3 vectores mas importantes

A
  • vector septal
  • vector basal
  • Vector de la pared libre del VI
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8
Q

Cambios en isquemia y lesion

A

Isquemia:
- Subendocardica: onda T positiva
- Subepicardica: onda T negativa

Lesion
- Subepicardica: QS POSITIVO
- Subendocardico: QS negativo

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9
Q

Taquicardia sostenida

A

Dura mas de 30 segundos

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10
Q

Taquicardia no sostenida

A

Dura menos de 30 segundos

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11
Q

Como se origina las taquicardias?

A
  • Mecanismo de reentrada
  • Foco de automatismo
  • Actividad desencadenada
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12
Q

Causa de taquicardia

A
  • Cardiopatia isquemica
  • Miocardipatia
  • Prolapso de valvula mitral y otras valculopatias
  • Trastorno primario de la conduccion
  • alteraciones hidroelectroliticas
  • Intoxicacion por farmaco (arritmia de reperfusion)
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13
Q

Clasificacion de taquicardia por duracion QRS

A
  • Supraventriculas (QRS estrecho)
  • Ventriuclar (QRS ancho)
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14
Q

Clasificacion de taquicardia por su forma

A

Monomorfa
Polimorfa

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15
Q

fibrilacion ventricular

A

Ritmo irregular rapido
Morfologia caotica
No distingues QRS ni onda T

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16
Q

Instalacion de la fibrilacion ventricular

A
  • Infarto
  • Extrasistoles
  • TV
  • Fibrilacion
  • Asistolia
17
Q

V/F: tanto en la taquicardia ventricular con pulso y sin pulso podemos desfibrilar

A

noooo
En la taquicardia ventricular sin pulso debemos iniciar compresiones y dar adrenalina

18
Q

que es la desfibrilacion

A

Es la despolarizacion simultanea y momentanea de la mayoria de las celulas cardiacas
Permite que el nodo sinusal tome el control

19
Q

Diferencia entre cardioversion y desfibrilacion

A

La desfibrilacion es brusca y asincrona
La cardioversion es sincronizada con el complejo QRS

20
Q

Ritmos desfibrilantes

A

Taquicardia ventricular
Fibrilacion ventricular

21
Q
A