Glucosidos Cardiacos Flashcards

1
Q

Agente representativo de glucosidos cardiacos?

A

Digoxina

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2
Q

Mecanismo de acción de los glucosidos cardiacos ?

A

Efecto uno trópico positivo mediante la Inhibicion de la bomba Na+/K+ATPasa cardiaca

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3
Q

Que ocasionan los glucosidos cardiacos ?

A

Aumento del Na+ intra celular
Inhibe la expulsión de Ca++ a través del intercambiador Na+/Ca++
Aumento del Ca++ intracelular y mayor contractilidad

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4
Q

Toxicidad por glucosidos cardiacos ?

A

Insuficiencia renal
Arritmias 90%
Extrasistoles ventriculares (#1)
Bigeminismo

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5
Q

Antídoto para la digoxina

A

Inmune terapia con fragmentos Fab antidigoxina

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