taquiarritmias 2012
TRANSCRIPT
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Taquiarritmias: Lectura Crítica del ECG
Curso Bianual de Clínica Médica
U.N.R.
Servicio de Hemodinamia y Cardiología Intervencionista
Hospital Provincial del Centenario.
Disertante: Martín Najenson
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V
Tpo
0.1 mV1mV
40 ms200 ms
Conceptos Básicos
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Conceptos Básicos
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Conceptos Básicos
Intervalo PR
“qRs”
Activación Auricular + Cond AVVN: 120 a 200 mseg
Activación VentricularVN: < 120 mseg
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Conceptos Básicos
Intervalo PR
VN: 120 a 200 mseg< 120 vías alternativas
activación simultanea
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Conceptos Básicos
“qRs”
VN: < 120 mseg> 120No conducción x sistemaSistema Bloqueado
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Frecuencia Cardíaca
< 60 / min
bradi
> 90 / min
taqui
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Regularidad
regular irregular
alternante
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Duración qRs
< 120 mseg
angosto ancho
≥ 120 mseg
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Duración qRs
< 120 mseg angosto
his para arriba
Cond intrav normal
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Duración qRs
ancho > 0,12 sg
No cond x Sist
Via Anomala
Origen ectópico
Cond anormal
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Polaridad ondas
Nos informa el sentido de
la activación y por lo tanto
el sitio de origen de la
misma.
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P - aVR
P + DII
P + DI
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P + DI y DII y – aVR
Todo qrs precedido p
P = entre sí
Ritmo sinusal
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Extrasístoles auriculares
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Extrasístoles auriculares
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Extrasístoles auriculares
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Extrasístoles auriculares
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Extrasístoles auriculares
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Extrasístoles auriculares
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Taquicardia auricular
1 foco ectópico toma el comando
6 o más extrasístoles auriculares
P distintas a las sinusales, qRs =
Warming up – cooling down
Enlentecimiento con masaje
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Taquicardia auricular
6 o más extrasístoles auriculares
P distintas a las sinusales, qRs =
Warming up – cooling down
Enlentecimiento con masaje
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Taquicardia auricular
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Taquicardia auricular
6 o más extrasístoles auriculares
P distintas a las sinusales, qRs =
Warming up – cooling down
Enlentecimiento con masaje
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T.A.M.
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T.A.M.
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Extrasístoles Ventriculares
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Extrasístoles Ventriculares
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Extrasístoles Ventriculares
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Extrasístoles Ventriculares
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Extrasístoles Ventriculares
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Extrasístoles Ventriculares
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Extrasístoles Ventriculares
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Extrasístoles ventriculares
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Taquicardia Ventricular
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Taquicardia Ventricular
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Taquicardia Ventricular
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Taquicardia paroxística sv
Se originan en la unión av
Circuitos reentrantes que
incluyen el NAV
P durante o después qrs: poco
visible
Qrs normal
Palpitaciones en cuello
Masaje interrumpe
Comienzo y terminación súbitos
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Taquicardia paroxística sv
P durante o después qrs: poco visible
Qrs normal
Palpitaciones en cuello
Masaje interrumpe
Comienzo y terminación súbitos
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Taquicardia paroxística sv
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Aleteo Auricular
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Aleteo Auricular
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Aleteo Auricular
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Aleteo Auricular
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Fibrilación Auricular
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Fibrilación Auricular
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Fibrilación Auricular
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Fibrilación Auricular
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Fibrilación Auricular
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Fibrilación Auricular
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Fibrilación Auricular
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Fibrilación Auricular
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Sme W-P-W
PR corto: < 0,12
Onda delta
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Sme W-P-W
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Sme W-P-W
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Taquicardia Ventricular Polimorfa
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Fibrilación Ventricular
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Fibrilación Ventricular
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Tiras de Práctica
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Tiras de Práctica
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Tiras de Práctica
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Tiras de Práctica
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Tiras de Práctica
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Tiras de Práctica
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Tiras de Práctica
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Tiras de Práctica
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GRACIAS POR SU
ATENCIÓN
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Extrasístoles auriculares
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Extrasístoles ventriculares
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Extrasístoles ventriculares
fusión
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Aleteo Ventricular
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Aleteo Ventricular