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Sumario alteraciones en el electrocardiograma

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El siguiente power point muestra diferentes alteraciones cardiologicas, y como las mismas afectan el sistema electrico del corazon, com se ven en el e.c.g y como leerlas

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  • August 30, 2023
  • 55
  • 2022/2023
  • Summary
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EXCITACIÓN Y
CONDUCCION RITMICA
DEL CORAZON
CONTROL DE LA EXCITACIÓN DEL CORAZON
ACTIVIDAD ELECTRICA DEL CORAZON
CARACTERISTICAS DE E.C.G

, Marcapasos: El sistema de
conducción de impulsos Sistema de
consiste en células
especializadas en la conducción
transmisión del impulso
nervioso.


 Los componentes del
sistema son el nodo
sinoarterial (marcapaso) el
nodo atrio ventricular, el
fascículo auriculo
ventricular (haz de hiz) y las
fibras de purkinje

,MARCAPASO O NODO
SINUSAL:
 Se localiza en la pared del atrio
Sistema de
derecho por debajo de la conducción
desembocadura de la vena cava
anterior genera el potencial de
acción.
NODO
AURICULOVENTRICULAR:
 Parte del sistema del corazón
formado por una masa compacta
de células de conducción
localizadas cerca del orificio del
seno coronario en la pared de la
aurícula derecha.

, Sistema de conducción
FASCICULO ATRIO
VENTRICULAR:
 Cruzan desde el nodo
atrioventricular a través del
esqueleto cardiaco hasta su parte
superior del septo interventricular.
Este distribuye el impulso eléctrico
en las superficies mediales de los
ventrículos.

MIOFIBRILLAS DE CONDUCCION
DE PURKINJE:
 Estas llevan acabo la contracción
real, emergen de las ramas del
fascículo y se distribuye en las
células miocárdicas.

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