Electrocardiograma en Cardiopatía Isquémica
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Electrocardiograma en Cardiopatía isquémica
Dra. Sandra Mena Cortés
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Lesión subepicárdica
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Isquemia subepicárdica
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Lesión subendocárdica
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Isquemia subendocárdica
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Necrosis
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CORRELACIÓN ANATÓMICA
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Aorta
Seno coronario
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A.Descendenteposterior
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A.Marginal derecha
Ramo ventricularderecho
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A.Del nodoauriculoventricular
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A.Descendente Anterior - Conal - Diagonales D1, D2, D3 - Septales
Coronaria izquierda
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A. Circunfleja- A. Nodo sinusal- A. Marginal Obtusa- A. descendenteposterior
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CARA ANTERIOR
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CARA POSTERIOR
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DERIVACIONES DERECHAS Y POSTERIORES
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Ventrículo derecho
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Infartos posteroinferiores
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CRITERIOS DE SGARBOSSA Elevación del segmento ST >1 mm concordante con
los complejos QRS 5 pt Infradesnivel del segmento ST > 1 mm en
derivaciones V1, V2 o V3 3 pt Elevación del segmento ST > 5 mm discordante /
oponente con los complejos QRS 2 3 pts – BRIHH e IAM 2 pt – Sospencha de BRIHH e IAM
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SIGNOS DE REPERFUSIÓN Inversión de onda T < 4 h Presencia de actividad ectópica ventricular
Ritmo idioventricular acelerado Taquicardia ventricular lenta FC 60 – 120 Inicia tras intervalo de acomplamiento largo Termina cuando RS captura los ventriculos
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EKG INICIAL
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POSTERIOR TROMBOLISIS 1HR
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6 HRS
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BIBLIOGRAFÍA Castellanos Reyes. Carlos. Electrocardiografía Clínica. Ed. Elsevier. 2ª
ed. 2009. España. Pp.125 –157 Perez – Alva Juan Carlos. Cardiología en el área de urgencias. Ed.
Elsevier. 2009. México. Pp. 270-271 Runge, Marshall. Netter Cardiología. Ed. Elservier. 2004. España.
Pp.96 – 97 Uribe Arango. Et al. Electrocardiografía y arritmias. Ed. Distribuna.
2005. Pp. 50 - 60 Drake, Richard. Et al. Gray. Anatomía para estudiantes. Ed. Elsevier.
2005. España. Pp 172, 174 Velez, Desirée. Pautas de electrocardiografía. Ed. Marbán. 2006.
México. Pp. 320 - 340