Donadores de óxido nítrico Flashcards

1
Q

Fármacos

A

Nitroprusiato de sodio
Nitroglicerina
Dinitrato de isosorbible

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2
Q

Efectos (nitroprusiato de sodio)

A

Antihipertensivo, vasodilatador, corta duración, relaja las células musculares lisas vasculares de arteriolas

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3
Q

Indicaciones (nitroprusiato de sodio)

A

Crisis hipertensivas, hemorragia

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4
Q

Contraindicaciones (nitroprusiato de sodio)

A

Presión intracraneal elevada, hipotensión, falla ventricular derecha

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5
Q

Metabolismo (nitroprusiato de sodio)

A

Origina cianuro, en eritrocitos

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6
Q

Reacciones adversas (nitroprusiato de sodio)

A

Nerviosismo, agitación, desorientada, cefalea, hipotensión, bradicardia, vómito

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7
Q

Efectos (nitroglicerina)

A

Antianginoso, vasodilatación a nivel venosos, a mayores dosis en arterias, disminuye precarga y postcarga

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8
Q

Indicaciones (nitroglicerina)

A

Angina estable, edema pulmonar, hipertensión arterial, IAM, insuficiencia cardiaca, insuficiencia ventricular izquierda

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9
Q

Absorción (nitroglicerina)

A

Parches: F 70%, dosis estable en 2 hrs
Sublingual: F 20%

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10
Q

Metabolismo (nitroglicerina)

A

Hepático, en eritrocitos, en células musculares lisas vasculares

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11
Q

Reacciones adversas (nitroglicerina)

A

Cefalea, nauseas, vértigo, hipotensión, taquicardia

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12
Q

Efectos (dinitrato de isosorbible)

A

Antianginoso, vasodilatador, disminuye precarga y postcarga

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13
Q

Indicaciones (dinitrato de isosorbible)

A

Angina de pecho

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14
Q

Absorción (dinitrato de isosorbible)

A

Oral: F 25%, acción en 1 h y dura 4 h
Sublingual: F 45%, acción en 2 - 5 min y dura 2 h

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15
Q

Reacciones adversas (dinitrato de isosorbible)

A

Cefalea, nausas, vértigo, hipotensión, trastornos digestivos

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16
Q

FDA

A

C