ANTAGONISTAS DE D1; DOPAMINA Flashcards

1
Q

Son F procinéticos

A

si, aumentan el peristaltismo

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2
Q

funcion

A

bloquear a dopamina e inhibir a Acetil Coa

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3
Q

MEDICAMENTOS

A

Metoclopramida
Mosaprida
Cisaprida

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4
Q

QUE GENERAN MOSAPRIDA Y CISAPRIDA

A

AUMENTO DE QT
Generan arritmias

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5
Q

hay tres casos donde no se pueden dar

A

arritmias
HTA
intoxicación por alcohol

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6
Q

METOCLOPRAMIDA presentación dosis

A

Sln oral 4mg/ml gotas
tab de 10mg
sln inyectable 10mg/2ml
DOSIS
10 MG (50 G0TAS) TRES VECES AL DÍA 15 MIN ANTES DE LA COMIDA
IM lenta a 10 a 20mg 1 dosis

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7
Q

efectos de metoclopramida 10

A

aumenta el tono y actividad contractil del mus liso
SNC bloquea a D2, 5HT3
Bloquea a dopamina, aumento de mov peristálticos
efecto antiemetico
actua en el nucleo nigrio estriado, aumenta temblores, hay extrapirimadismo
galactorrea
produce aumento de aldosterona retiene liquidos
CRUZA LA PLACENTA

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8
Q

RAM

A

Somnolencia mareo
Fatiga, ansiedad
Rx extrapiramidales
Distonias agudas
Discinesias tardías
Constipacion
Irritabilidad
Agranulocitosis
Galactorrea y ginecomastia
Desorden menstrual
Taquicardia
HTA

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9
Q

se da en parkinson, epilepsia o movimientos extrapiramidales

A

no, es una PC Y CI

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10
Q

genera prolactilemia

A

si es una PC y CI

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11
Q

no dar en adenoma hipofisario

A

verdadero

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12
Q

se da en obstrucción, feocromocitoma

A

no

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13
Q

en quienes hay que tener cuidado

A

ancianos
niños

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14
Q

USOS

A

Estasis gastrica no hay movimientos peristalticos
RGE
Gastroparesia diabetica
antiemetico
HIPO

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15
Q

disminuye su absorcion con levodopa

A

si

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16
Q

aumenta con acetaminofen o ASA

A

si

17
Q

hay efecto depresor con alcohol

A

si