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Betabloqueantes Flashcards

(16 cards)

1
Q

¿Cómo se clasifican los Beta bloqueadores?

A

Selectivos y NO selectivos

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2
Q

¿Cuál es su mecanismo de acción?

A

Inhibir a los receptores Beta (B1,B2 y B3)

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3
Q

¿Dónde se localiza cada receptor beta?

A

B1: Músculo cardiaco
B2: Músculo liso (principalmente respiratorio)
B3: Tejido adiposo

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4
Q

¿De qué se encargan los receptores B1?

A

Contracción muscular del corazón

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5
Q

¿De qué se encargan los receptores B2?

A

Relajación del músculo liso

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6
Q

Los B-bloqueadores selectivos bloquean principalmente:

A

B1

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7
Q

Los B-bloqueadores no selectivos bloquean principalmente:

A

B2 y B3

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8
Q

¿Cómo actúan los B-bloqueadores selectivos?

A

Relajación del músculo liso cardiaco, disminuyendo GC, FC y PA

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9
Q

¿Cómo actúan los B-bloqueadores no selectivos?

A

Harán contracción del músculo liso en el bronquio haciendo bronquiconstricción y disminuyendo GC

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10
Q

Menciona el B-bloqueador no selectivo más importante:

A

Propanolol

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11
Q

Menciona los B-bloqueadores selectivos:

A

Metoprolol
Atenolol
Nebivolol

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12
Q

Efectos secundarios de los B-bloqueantes no selectivos

A

Bradicardia, hipotensión, edema, confusión

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13
Q

Efectos secundarios de los B-bloqueantes selectivos

A

Cansancio, bradicardia, vértigo, disminución de capacidad sexual

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14
Q

¿Para qué están indicados los B-bloqueantes?

A

Hipertensión
Arritmias
Insuficiencia cardiaca

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15
Q

¿Cuáles son los medicamentos an Antagonistas de receptores adrenergicos A?

A

Prazosina
Doxasosina
Teranozina

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16
Q

¿Para qué están indicados los An