ECG pediátrico Flashcards

1
Q

QRS normal

A

< 80 mseg de 0 a 8 años

< 90 mseg en mayores de 8 años

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2
Q

Onda T normal

A

Positiva en precordiales der en RN
Negativa en el día 7 de vida
En < 7 años T positiva es anormal = HVD

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3
Q

PR normal

A

Max 140 mseg

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4
Q

Desviación del eje

Izq

A

Ostium primum
Canal AV
Atresia tricúspidea

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5
Q

Desviación del eje

Der

A

HVD

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6
Q

Dilatación auricular

A

Mismos criterios que los adultos

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7
Q

HVD

A

R en V1 + S en V6 > percentil 98
R/S > percentil 98 en V1
R/S < 2 percentil en V6

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8
Q

HVI

A

S en V1 + R en V6 > percentil 98

Ausencia de Q en V6

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9
Q

Bloqueo completo

A

QRS > 20% del percentil 98 para la edad

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10
Q

Bloqueo parcial

A

QRS > del percentil 98 pero < 20% del percentil 98

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11
Q

BRDHH

A

Mas común
- defecto interauricular
Dx ecocardiograma

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12
Q

BRIHH

A

Raro

  • cirugía
  • miocarditis
  • hipertrofia o dilatación
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13
Q

Hemibloqueos

A

Enf cardiaca congénita (anterosup)

Trauma qx o miocarditis (posteroinf)

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14
Q

Patrón de repolarización precoz

A

ST elevado en V2 y V4

Elevación punto J que desaparece con el ejercicio

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15
Q

Patrón de T juvenil

A

Onda T negativa en V1, V2, V3, V4 es normal

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16
Q

Miocarditis

A

Ondas T planas o invertidas
QRS de baja amplitud
QT prolongado

17
Q

Pericarditis aguda

A

ST elevado + T normal

ST normal + T aplanada o invertida desp