Arritmias Flashcards

1
Q

Bloqueo AV Primer grado

A

PR>0.20s. TODAS las P conducen

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2
Q

Bloqueo AV segundro grado

A

Algunas P no conducen

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3
Q

Mobitz I(Weckenbach)

A

PR se comienza alargar progresivamente, hasta que una P deja de conducir

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4
Q

Mobitz II

A

No existe alargamiento progresivo de PR, simplemente deja de conducir SÚBITAMENTE-Marcapasos

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5
Q

Bloqueo de Alto Grado

A

Dos o mas ondas P CONSECUTIVAS que no cnducen- Marcapasos

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6
Q

Bloqueo de Tercer grado

A

Disociación AV, ninguna P conduce

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7
Q

Características BRD

A

QRS>0.12s
RsR´ V1
S ANCHA en I, avL, V6

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8
Q

Características BRI

A

QRS>0.12s
Ausencia de q en I, V5, y V6
R ANCHA en V6, con muescas ocasionalmente

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9
Q

Sx jervell-Large-Nielsen

A

Autosomico recesivo

QT largo+sordera

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10
Q

Sx Romano Ward

A

Autosomico dominante

QT largo+SIN sordera

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11
Q

Gen afectado en Brugada

A

Canal de sodio cardíaco SCN5A

HIPOFUNCION DEL CANAL DE NA

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12
Q

EKG Brugada I

A

Bloqueo rama derecha incompleto, ascenso del punto J >2mm, segmento ST descendente y T INVERTIDA
V1-V3

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13
Q

EKG Brugada II

A

Ascenso ST >2mm en SILLA DE MONTAR
T positiva o bifasica
V1-V3

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14
Q

EKG Brugada III

A

Ascenso ST <2mm

V1 y V3

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15
Q

Arritmia asociada a Sx de Brugada

A

Taquicardia Ventricular polimorfa——> Fibrilacion Ventricular
Durante el sueño, fiebre o al usar antiarritmicos I o cualquier otro fármaco QUE BLOQUEE LOS CANALES DE SODIO

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16
Q

Gen afectado en QT LARGO CONGENITO 3

A

Canal de sodio cardíaco SCN5A
HIPERFUNCION DEL CANAL DE NA
MISMO QUE BRUGADA

17
Q

Causa mas frecuente de FV o Flutter

A

Isquemia cardíaca
Primaria en la fase aguda
TV monomorfa sostenida en IAM previo