Electrocardiograma Flashcards

1
Q

Efecto que reduce la frecuencia del nodo SA

A

Efecto cronotrópico

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2
Q

Efecto que reduce la velocidad de transmisión en el nodo AV

A

Efecto dromotrópico

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3
Q

Función parasimpática de la ACh en el corazón

A

Incrementa permeabilidad al K

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4
Q

Tiempo de conducción auricular

A

Intervalo P-Q

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5
Q

Tiempo en el que la fibras musculares están en meseta

A

Segmento S-T

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6
Q

Tiempo de despolarización y repolarización ventricular

A

Intervalo Q-T

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7
Q

Derivaciones que muestran cara inferior del corazon

A

DII, DIII y AVF

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8
Q

Derivaciones que muestran cara anterior del corazon

A

V1, V2, V3 y V4

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9
Q

Función del electrodo V3 en el electrocardiograma

A

Capatura la actividad del septum interventricular

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10
Q

Función del electrodo V4

A

Se enfoca en el septum interventricular y parte anterior del ventriculo izquierdo

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11
Q

Función del electrodo V5

A

Se enfoca en la pared lateral del ventrículo izquierdo

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12
Q

Onda P

A

< 0.1 s y < 0.3 s

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13
Q

Intervalo P-R

A

De 0.12 a 0.2 s

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14
Q

Complejo QRS

A

De 0.06 a 0.10s

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15
Q

Intervalo Q-T

A

0.3 a 0.44 s

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16
Q

Onda T

A

< 0.2 s y 0.5 mV

17
Q

Duración del intervalo QT

A

0.32 - 0.42 segundos

18
Q

Intervalo modificado por la frecuencia cardiaca

A

Intervalo QT

19
Q
A