ECG Flashcards

1
Q

Derivaciones

A

12
- Bipolares: d1,2,3 (aVR, aVL, aVF)
- unipolares v1-v6

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2
Q

Colocacion electrodos

A

aVR: derecho
aVL: izquierdo
N: pie derecho
aVF: pie izquierdo

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3
Q

Unica onda negativa

A

aVR

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4
Q

Que significan las ondas del EKG

P, QRS, ST, T / intervalo PR, QT

A
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5
Q

Medidas de las ondas

A

C/cuadrito: .04 seg
C/cuadro grande: 0.20 seg

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6
Q

Secuencia para medir EKG

A
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7
Q

Como medir la FC en un EKG

A

Irregular: complejos que hay en 30 cuadritos y lo que te de x 10

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8
Q

Ritmo cardiaco regulado/sinusal

A

Intervalo R-R regular

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9
Q

Criterios ritmo sinusal

A
  • Onda p+ en d2,d3 y aVF
  • Antes de QRS dene de estar complejo P
  • INtervalo PRndebe se mayor a 0.12 seg minimo
  • Frecuencia cardiaca de 60-100
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10
Q

En PR se puede observar

A

El retraso fisiologico

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11
Q

Intervalo QT

A

Prolongado: arritmia
Mide de 0.3 a 0.44 seg (0.43 a 0.46)
Hipo-Hipercalcemia se altera

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12
Q

FOrmula QT corregido

A

Lo que mide QT / raiz cuadra

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13
Q

Segmento ST

A

No debe pasas 1 a 1.5 mm

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14
Q

Como calcular eje cardiaco

A

Hacer interseccion de aVF y aVR

-30 a +90 lo normal

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