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Farma > Antagonistas De Los Receptores Adrenérgicos > Flashcards

Antagonistas De Los Receptores Adrenérgicos Flashcards

1
Q

Fármacos Antagonistas del receptor Alfa adrenérgico

A 
Fenoxibenzamina
Fentolamina 
Prazosina 
Terazosina 
Alfuzosina 
Tamsolusina
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2
Q 
Fenoxibenzamina
Fentolamina 
Prazosina 
Terazosina 
Alfuzosina 
Tamsolusina
A

Antagonistas de los receptores Alfa adrenérgicos

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3
Q

Mecanismo de acción de antagonistas Alfa adrenérgicos

A

Unión reversible (Prazosina y fentolamina)
Unión irreversible (Fenoxibenzamina)
Al receptor Alfa adrenérgico

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4
Q

Mecanismo de acción Fenoxibenzamina

A

Antagonistas Alfa adrenérgico

Unión irreversible al receptor adrenérgico Alfa

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5
Q

Mecanismo de acción prazosina y Fentolamina

A

Antagonistas Alfa adrenérgico

Unión reversible al receptor adrenérgico Alfa

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6
Q

Mecanismo de acción Tamsulosina / Terazosina / Alfuzosina

A

Antagonistas Alfa adrenérgico

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7
Q

Toxicidad antagonistas Alfa adrenérgicos

A

Hipotensión postural
Taquicardia, Arritmias, Isquemia
Congestión nasal
Cefalea

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8
Q

Fármacos antagonistas del receptor Beta adrenérgico

A

No selectivos: Propanolol y Timolol

Selectivos B1: Metorpolol, Esmolol y Atenolol

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9
Q

Mecanismo de acción Propanolol y Timolol

A

Antagonistas no selectivos del receptor B adrenérgico

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10
Q

Mecanismo de acción Metorpolol, Esmolol y Atenolol

A

Antagonistas selectivos B1 adrenérgicos

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11
Q

Toxicidad de antagonistas del receptor Beta adrenérico

A

Bradicardia
Broncoconstricción
Mareo, cefalea, fatiga, prurito, depresión

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12
Q

Antagonistas mixtos receptores adrenérgicos

A

Labetalol

Carvedilol

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13
Q

Mecanismo de acción Labetalol y Carvedilol

A

Antagonistas mixtos de los receptores adrenérgicos A y B

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14
Q

Toxicidad de antagonistas mixtos adrenérgicos

A

Mareo, náusea, fatiga
Elevación creatinina y BUN
Ausencia de eyaculación

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15
Q

Fármaco simpaticolítico de acción central

A

Metildopa (anti hipertensivo)

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16
Q

Mecanismo de acción metildopa

A

Simpaticolítico de acción central (antagonistas receptores adrenergicos)
Disminuye estímulos eferentes neuronales adrenergicos desde el tallo
Disminuye vasoconstricción
Disminuye liberación de norepinefrina

17
Q

Toxicidad simpaticolítico de acción central (metildopa)

A

Anemia hemolítica
Síndrome lupoide
Hiperprolactinemia
Hepatoxicidad

Farma (29 decks)

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