Download - Taquiarritmias ventriculares
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EDER AUGUSTO HERNANDEZ RUIZ
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No sostenidas
Extrasístoles ventriculares
Taquicardias ventriculares no sostenidas
Sostenidas
Taquicardia ventricular monomórfica y polimórfica
Rev Esp Cardiol 2001; 54: 307-367
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Am Fam Physician 2002;65:2491-6
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«Impulso prematuro originado en un foco ectópico situado bajo la bifurcación del haz de His»
«Pueden ser sintomáticas o asintomáticas»
Rev Esp Cardiol 2001; 54: 307-367
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Rev Esp Cardiol 2001; 54: 307-367
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TV > 30 segundos
TV Monomórfica TV Polimórfica
Fibrilación ventricular
Taquicardia supraventricular con conducción aberrante??
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Monomórfica
Polimórfica
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Fibrilación ventricular
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Cardioversión eléctrica sincronizada
Desfibrilación
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Taquicardia Ventricular Monomórfica
1. Procainamida: (Clase IIa, NE: B) Bloquea canales de Sodio y Potasio. DOSIS: 20-50 mg/min . Inf: 1-4 mg/min
2. Adenosina: (Clase IIb, NE: B) Disminuye la actividad del nodo sinusal y la conduccion del nodo AV. DOSIS: 6 mg + 12 mg
3. Amiodarona: (Clase IIb, NE: B) Bloqueante multicanal (Na, K, Calcio), efecto betabloqueador. DOSIS: 150 mg IV, en 10 minutos
4. Sotalol: (Clase IIb, NE: B) Betabloqueante y bloqueador canales de potasio. DOSIS: 1.5 mg/kg, en 5 minutos.
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Si el QT previo es normal: Isquemia miocárdica.
Amiodarona, Betabloqueadores(Clase IIb, NE:C)
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Si el QT previo es prolongado:
Suspender medicamentos que prolonguen el QT
Corregir trastornos hidroelectrolíticos
Sulfato de Magnesio: 1 a 2 gramos IV en 15 minutos
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GRACIAS