Descriere, fiziologie de BAP Flashcards

1
Q

BAP se caracterizeaza prin:

A
  • ocluzii
  • stenoze
  • la nivelul membrului INFERIOR
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2
Q

Simptomele specifice din BAP sunt determinate de:

A
  1. gravitatea leziunilor
  2. numarul leziunilor
  3. colateralizare
  4. gradul de toleranta al pacientului
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3
Q

Boala ocluziva aorto-iliaca apare intre:

A

45-65 ani

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4
Q

Predilectia catre Boala ocluziva aorto-iliaca este data de:

A
  1. FUMAT
  2. HIPERTENSIUNE
  3. DISLIPIDEMIE
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5
Q

Boala ocluziva femuro-popliteala este localizata:

A

SUB ligamentul inghinal.

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6
Q

Cea mai frecventa localizare a bolii ocluzive femuro-popliteala este la nivelul:

A

Aa femurale SUPERFICIALE, in canalul adductorilor (Hunter)

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7
Q

Boala ocluziva femuro-popliteala:

A
  • poate fi asimptomatica
  • simptomatica la efort fizic INTENS

- aa femurala PROFUNDA poate asigura aport sanguin de repaus

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8
Q

Boala ocluziva TIBIALA apare la:

A
  • nivel inferior de trifurcatia arterei popliteala
    1. DIABET
    2. INSUFICIENTA RENALA TERMINALA
    3. VARSTNICI
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9
Q

Fiziologia BAP:

A
  • placile aterosclerotice ocupa lumenul
  • scad TA distal de leziune
  • lege fizica descrisa de Poiseulle
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10
Q

Pierderea presiunii este direct proportionala cu:

A
  1. volumul fluxului sanguin
  2. lungimea arteriala
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11
Q

Pierderea presiunii este invers proportionala cu:

A

patratul razei

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12
Q

Cel mai mare efect asupra presiunii (delta P) dintr-un vas il are:

A

REDUCEREA RAZEI

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13
Q

In general, variatia de presiune (delta P) este mica pana la:

A
  • scaderea DIAMETRULUI cu 50%
  • scaderea ARIEI vasului cu 75%
  • dupa aceste praguri, presiunea si fluxul sanguin scad exponential
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14
Q

Cauze mai putin frecvente de BAP sunt:

A
  1. Boala Buerger (trombarterita obliteranta)
  2. Fibroza chistica
  3. Endofibroza iliaca
  4. compresia aa prin benzi musculare
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15
Q

Sindroame de compresie arteriala prin benzi musculare se intalnesc in:

A
  1. sd de compresie al arterei poplitee
  2. sd. de coasta cervicala
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