Aritmiile Flashcards

1
Q

Automatismul poate fi accelerat prin

A
  1. cresterea pantei fazei 4 a depolarizarii

2. reducerea potentialului prag

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2
Q

Oscilatiile anormale ale potentialului transmembranar la sfarsitul potentialului de actiune pot fi agravate de :

A

tulburari hidroelectrolitice, hipoxie, acidoza, anumite medicamente sau cardiostimulare

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3
Q

Cauze extrinseci ale bradicadiei sinusale

A
  • hipotermina, hipotiroidism, icter colestatic, hipertens intracraniana
  • betalocante, digitalice
  • sindroame mediate neural
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4
Q

Boala de nod sinusal apare ca urmare a :

A

Fibrozei idiopatice a nodului sinusal

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5
Q

Medicamente ce pot cauza sincopa, in special la varstnici

A
  • antihipertensive
  • ADT
  • neuroleptice
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6
Q

Ce localizare a infarctului miocardic asociat cu BAV gr 2 are risc mai mare de progresie spre BAV complet?

A

Anterior

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7
Q

Cauze de BAV complet - boala Lev

A
  • fibroza progresiva distala a sist His- Purkinje la varstnici
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8
Q

Cauze de BAV complet- boala Lenegre :

A

-fibroza proximala a sistemului His-Purkinje la tineri

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9
Q

Infectii ce pot cauza BAV complet

A
  • endocardita
  • boala Lyme
  • boala Chagas
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10
Q

Hemiblocul antero-superior -deviatie axiala 1)………….

Hemiblocul postero-inferior - deviate axiala 2)…………

A

1) stanga

2) dreapta

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11
Q

Asocierea BRD cu deviatie axiala stanga e intalnita la pac cu:

A
  • DSA de tip ostium primum
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12
Q

Cele mai frecvente cauze de BRS

A
  • stenoza aortica
  • HTA
  • IM
  • Boala coronariana severa
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13
Q

AVNRT- aspect ECG

A
  • complexe QRS normale, regulate

- absenta undelor P sau unde P inversate imediat inaintea sau dupa QRS

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14
Q

Tratamentul medicamentos al AVRT si AVNRT se face cu

A

Adenozina iv , alternativ Verapamil sau betablocante

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15
Q

Pentru ce se acorda 2 p in cadrul scorului CHADS Vasc

A
  • varsta > 75 de ani

- AVC/ AIT, Te

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16
Q

Terapia de electie pt pacientii cu flutter atrial recurent este

A

ablatia cu cateter

17
Q

Artimiile ventriculare amenintatoate de viata

A
  • FV
  • Tv sustinuta
  • tosada varfurilor
18
Q

Modifi ECG clasice in sindr Brugada

A
  • supradenivelare ST concava in V1-V3 cu BRD
19
Q

Cauze de QT lung - sindr Jervell- Lange- Nielsen

A

-transmitere autoz recesiva + surditate congenitala

20
Q

Cauze de QT lung - sindr Romano- Ward

A
  • transm autozomal dominanta