electro pt2 Flashcards

1
Q

10 pasos para poder leer electro

A
  1. FC
  2. RITMO
  3. EJE
    4.ONDA P
  4. INTERVALO PR
  5. COMPLEJO QRS
  6. PUNTO J
    8.SEGMENTO ST
  7. ONDA T
  8. INTERVALO QT
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2
Q

valores que mide un electro

A

25mms/s y 10mm/mv

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3
Q

cómo se saca la FC de un ritmo irregular

A

30 cuadros grandes (contar cada QRS) x 10

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4
Q

cómo se saca la FC de un ritmo regular

A

cuadritos pequeños entre R-R /1500

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5
Q

sabemos que es ritmo sinusal cuando

A

AVR -
DII y DIII y aVF +
FC: 60-100
P:QRS

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6
Q

donde se mide el Eje

A

en D1 y AVF

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7
Q

si D1 + Y AVF + el eje es:

A

normal

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8
Q

si D1 + y AVF - el eje es:

A

desviado a la izquierda

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9
Q

si D1 es - AVF + el eje es:

A

desviado a la derecha

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10
Q

Si D1 es - AVF es - el eje es:

A

desviación extrema

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11
Q

cuando mide la onda P

A

ancho: <3mm o .12 seg
alto <2.5 mm

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12
Q

cuando mide el PR

A

normal <5 mm o 0.20s

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13
Q

cómo debe estar nuestro complejo QRS

A
  • en V1 y v2
    isodifatico en V3 y V4
    + en V5 y V6
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14
Q

marca la transición del complejo QRS al segmento ST

A

Punto J

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15
Q

cuanto debe medir el segmento ST

A

0,08 - 0,12 s
ST elevado = infarto

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16
Q

Onda T

A

Mayor amplitud V2 y V3
negativa aVR + / - v1
QRS acompañado T

17
Q

como se mide el intervalo QT

A

QT seconds/ cardiac cycle in seconds = QT/ RR al cuadrado

18
Q
A