Insuficiencia cardiaca Flashcards

1
Q

diastolica

A

incapacidad de llenar el ventriculo - se compensa a traves de la hipertrofia

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2
Q

sistólica

A

disminucion de la contractilidad
- gasto cardiaco

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3
Q

inotropico positivo

A

digoxina

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4
Q

mecanismo principal de la digoxina

A

Inhibidor de la bomba Na/K ATPasa –> aumento de Ca2+ intracelular –> Inotropismo positivo

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5
Q

antidoto de la digoxina

A

anticuerpos antidigoxinas

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6
Q

indicaciones generales de la digoxina

A

insuficiencia cardíaca congestiva con fibrilaciones auriculares

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7
Q

dobutamina mecanismo de accion principal

A

Agonista β1 –> aumenta la frecuencia cardíaca (Cronotrópico) y la contractilidad (Ionotrópicos) Agonista β2 –> provoca vasodilatación y reduce la resistencia vascular periférica

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8
Q

indicaciones generales dobutaminas

A

Uso intravenoso en tx de ICC y choque cardiogénico. No ha demostrado mejorar la sobrevida.

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9
Q

efectos adversos dobutaminas

A

aumenta el ritmo cardiaco

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10
Q

puede causar la dobutamina

A

tolerancia

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11
Q

milrinona mecanismo de acción

A

Inhibidores selectivos de la fosfodiesterasa 3 (que se encuentra en los cardiomiocitos)–> Aumenta AMPc –> Estimula contractilidad cardiaca (+)

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12
Q

milrinona indicaciones generales

A

Uso intravenoso en tx de ICC y choque cardiogénico.

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