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Antiarritmicos

Tercer parcial Final

QuestionAnswer
Clase de antiarritmicos que inhiben la corriente de sodio. Reducen la velocidad de ascenso de la fase 0 del potencial de acción Clase 1
Clase de antiarritmicos que incrementan la duración del PA y prolongan los intervalos PR, QRS y QT Clase 1a
Clase de antiarritmicos que disminuyen la duración del PA y acortan el intervalo QT Clase 1b
Clase de antiarritmicos que ejercen poco efecto sobre la duración del PA y prolongan los intervalos PR y QRS Clase 1c
Clase de antiarritmicos bloqueadores betaadrenergicos . Deprimen la pendiente de la fase 4 del PA Clase 2
Clase de antiarritmicos que prolongan la duración del PA lo que da lugar a un aumento del periodo refractario efectivo Clase 3
Clase de antiarritmicos que inhiben la corriente de Calcio a traves de los canales lentos lo que da lugar a un enlentecimiento de la conducción del nodo AV Clase 4
-Quinidina -Dihidroquinidina -Procainamida -Disopiramida -Ajmalina (iv) -Prajmalio bitartrato Clase 1a
-Lidocaína -Mexiletina -Fenitoína (iv) -Aprindina Clase 1b
-Flecainida -Propafenona Clase 1c
-Propanolol -Metorpolol -Atenolol -Otros Clase 2
-Amiodarona -Sotalol -Dofetilida -Ibutilida -Bretilio Clase 3
-Verapammilo -Diltiazem Clase 4
-Adenosina -Digoxina Otros
Sotalol es el beta-bloqueador con mayor poder antiarritmico ventricular Verdadero
La menor recurrencia de Fibrilacion Auricular se logra con Procainamida VERDADERO
Los Calcio antagonistas con mayor poder antiarritmico son las Dihidropiridinas FALSO
Beta<Bloqueadores actúan en la Fase IV del potencial de acción FALSO
Farmaco IV de primera eleccion en taquiarrirmias supraventriculares FLECAINIDA???
Created by: mune13
 

 



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