Laringotraqueobronquitis Flashcards

1
Q

Agente etiológico más frecuente del crup

A

Virus parainfluenza 1

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2
Q

Edad predominante de aparición de crup

A

6 meses - 3 años

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3
Q

Triada clínica clásica de crup

A

-Disfonía
-Tos traqueal: metálica o perruna
-Estridor laríngeo inspiratorio

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4
Q

Si a la exploración del crup observamos úlceras y micro abscesos en la tráquea, pensamos:

A

Origen bacteriano

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5
Q

Se sospecha cuando tenemos:
-Fiebre persistente
-Empeora la coriza y la odinofagia
-Hipoxia
-Cianosis ungueal
-Disnea progresiva

A

Crup grave

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6
Q

Se sospecha cuando tenemos:

-Sibilancias
-Taquipnea
-Tirajes intercostales
-Aumento de la expectoración
-Roncus

A

Neumonía por virus de la parainfluenza

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7
Q

Escala para valoración de gravedad de laringitis

A

-Westley
-Husby

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8
Q

Puntaje que indica laringitis grave

A

> /= 6 en Westley
/= 16 Husby

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9
Q

Signo radiológico sugerente de laringotraqueobronquitis

A

Signo de aguja, reloj de arena o punta de lapiz

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10
Q

Signo de la aguja

A

Estrechamiento de la tráquea en el área subglótica de 5-10 mm

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11
Q

Indicación para iniciar oxigenoterapia 3-4 L/min

A

SaO2 <92%

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12
Q

Tratamiento farmacológico crup leve-moderado, con dosis

A

Dexametasona 6mg/kg VO
Budesonida nebulizada 2mg

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13
Q

Tratamiento farmacológico crup grave, con dosis

A

Epinefrina racémica intermitente
0.05 ml/kg, al 2.25% por 15 min

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14
Q

Dosis máxima de adrenalina racémica intermitente

A

0.5 ml

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15
Q

Periodo de incubación virus parainfluenza

A

3-6 días

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