ecg pediátrico
DESCRIPTION
ElectrocardiogrTRANSCRIPT
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ECG Pediátrico
Dr. Carlos Manuel Aboitiz Rivera
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Realización del ECG
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Colocación de Precordiales
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Ciclo Cardiaco y ECG
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Anatomía del trazo de ECG
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Papel de ECG
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CALCULAR LA FRECUENCIA CARDIACA
FC = 1500 ÷ Nº de cuadritos
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VALORES NORMALES
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ECG Normal
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Variacion de Ondas P, T y Segmento ST
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LOCALIZACION DE CAVIDADES
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Crecimiento auricular
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HIPERTROFIA DE AD
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HIPERTROFIA DE AI
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Nomenclatura QRS
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Eje eléctrico
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EJE ELECTRICO
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Recuerda
Bipolares:(Bi: Números pares)DI 0° + 180=180DII +60° -120°=180DIII -60° +120°=180
Monopolares: (Mono: Números impares)aVF +90° -90° =180aVR +30° -150°=180aVL -30° +150°= 180
Hay 30° entre cada derivación
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EJE ELECTRICO
aVF
DI
DIIIDII
aVLaVR
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aVF
DI
DIII
aVLaVR
DII
±180°
-30°
-90°
-120°
+30°
-60°
0°
+90°+60°+120°
-150°
+150°
DIII
aVR
DII
aVL
aVF
DI
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Ejemplo 1
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Ejemplo 2
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Ejemplo 3
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BIRDHH
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Bloqueo de Rama Derecha
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BIRIHH
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Bloqueo de Rama Izquierda
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HIPERTROFIA DE VD
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HIPERTROFIA DE VD
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HIPERTROFIA DE VI
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Segmento ST
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Infarto miocárdico
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Isquemia e InfartoHALLAZGOS EN ISQUEMIA E INFARTO:Onda T invertida o simétrica y acuminadaElevación del segmento STOnda Q patológica>25% de la R>0.04seg>2mm
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Infarto miocárdico
• Inferior (Diafragmático): II, III, aVF• Septal: V1-V2• Anteroseptal: V1-V3, V4• Anterior: V3-V4, V2• Apical: V3, V4 o ambas• Lateral: I, aVL, V5-V6• Anterior extenso: I, aVL, V1-V6
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Ejemplo de Infarto
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Intervalo QT
Qtc: 0.44 seg0-6m: 0.49seg
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Variaciones del ritmo que pueden ser normales
• Arritmia sinusal pronunciada• Pausas sinusales cortas <1.8seg• Bloqueo AV de 1er grado• Bloqueo AV de 2o grado tipo Mobitz 1• Ritmo de la unión• Extrasístoles ventriculares o
supraventriculares
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Ritmo
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Arritmias auriculares
FA: 240-360 lpm
FA: 350-600 lpm
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Arritmia ventricular
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Bloqueo AV
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ECG y Potasio
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Muchas Gracias