antiarritmicos Flashcards

1
Q

clasif antiarritmicos

A

clase 1: bloquea canales Na: fase 0 + lento
clase 2: b-bloqueadores
clase 3: bloquea canales K, + usados: amiodaron
clase 4 y 5: ca ant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

tx no farmacologico

A

marcapsos, infra clavicular, por subclavia, 2 electrodos: registro, repolarizacion
ablacion con cateter: foco bien identificado, radiofrecuencia: quema cel de conduccion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

arritmias + frecuente

A

fibrilacion auriculo ventriculares: turbulencia: trombos

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

trombo en auricula derecha

A

tromboembolia pulmonar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

trombo auricula izq

A

carotida interna, poligono de willis, art coronaria, isquemia periferica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

farmacos clase 1

A

A: moderados, +PA, fase 0 lento
B: debiles, -pa, fase 0 lentifican, -fase III (repolarizacion)
C: fuerte: No afecta PA, depresion fase 0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

1A (6)

A

En: A. ventricular grave
EA: Arritmogenicos, empeora insuf card, inhibidores potentes CYP3A4
quinidina , procainamida, disopiramida

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

1B (6)

A

En: Fibrilacion auricular, Taquicardia ventricular
AD: IV, intraosea
EA: arritmias
lidocaina: +ventana terapeutica, fase 0 lento, fase 3 corta (repolarizacion)
Mexiletina, Tocainida

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

1C

A

lentifican fase 0: fuerte, + tiempo PA
EN: A. ventriculares refractarias, TSV de reentrada, flutter,
EA: NO insuf cardiaca, hipertrofia ventricular, enf coronaria, inhiben CYP2D6
flecainida, propafenona

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

CLASE 2

A

ant b-1, fase 4 mas lento, - FC, + tiempo conduccion AV
tx: taquiarritmias, +simpatico, arritmias isquemia micocardica, sd QT largo, taquicardia supraventricular por reentrada, FA con respuesta ventricular
EA: bradicardia, hipotension, bloqueo, disfuncion
ant B-1: metoprolol, esmolol
ant B-1-2: propranolol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

CLASE 3

A

EN: taquiarritmias ventriculares y supraventriculares, fibrilacion y flutter auricular
EA: fase 3 largo (repolarizacion), arrtimias

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

amiodarona

A

efecto clase 3, y 1,2,4
contiene: Yodo: hipertiroidismo
T vida media mas largo, efecto terapeutico: meses
sustrato CYP3A4, inhbe: 1A2, 2C9, 2D6
EA: hepatoxicidad, fibrosis pulm, neuropatias, neuritis optica, piel azul-grisacea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

CLASE 4

A

no dihidropiridinicos, lenta conduccion de nodos, en a vauriculares, taq supraventricular de reentrada, flutter ventricular
EA: + ventana, dispesia, malestar estomacal
verapamilo, diltiazem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

CLASE 5

A

digoxina: inhibe bomba Na/K, inotropico +, - cronotropico. Fibrilacion au
adenosina: fase 4 lento, bloqueo nodo AV, taquia supraventriculares
EA: arritmias

How well did you know this?
1
Not at all
2
3
4
5
Perfectly