insuficienta mitrala Flashcards

(20 cards)

1
Q

compoanentele aparatului valvular mitrat

A
cuspe
inel
cordaje tendinoase
muschi papilari 
miocard subiacent
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2
Q

cauzele insuficientei mitrale

A

-prolapsul de VM

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3
Q

RM acuta

A

ventriculul este neadaptat la un volum mai mare de sange si se creaza o presiune mare in amonte => edem pulmonar

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4
Q

RM cronica

A

atriile si ventriculii se adapteaza volumui de sange care recircula degeaba si atunci e RM cronica compensata cu dilatare.
dar dupa un timpapare fibroza interstitiala de la hipertrofia ventriculara

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5
Q
simptome bruste
edem pulmonar acut
ischemi emiocardica
dispnee
poate si soc cardiogen
A

RM acuta

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6
Q

angina si dispnee

A

ruptura de cordaje

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7
Q

cauza de IMA
soc cardiogen
edem pulmonar acut

A

ruptura de muschi papilar

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8
Q

RM cronica simptome

A

dispnee la efort
HT pulmonara
fibrilatie atriala
valvulopatii asociate

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9
Q

maorte subita cardiaca

A

ruptura valvulara pacienti cu patologie preexistenta

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10
Q

palpare

A
  • soc apexian deplasat lateral, difuz
  • freamat apical
  • impul suplimentar parasternal stang (dilatare VD, AS)
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11
Q

auscultatie

A
  • Z1 cdiminuat cu suflul regurgitarii
  • Z2 dedublat paradoxal (pt ca presiunea cu care sangele e impins in aorta e mai mica vand invedere ca o cantitate de sange refuleaza)
  • Z3 creste in expir ??? (pentruca creste intoarcerea venoasa pulmnonara?)
  • Z4
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12
Q

suflu RM

A
  • holosistolic
  • iradiere axila
  • intenstitate nu e proportionala cu graviditatea
  • cand Vs devine necompliant, intensitatea scade
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13
Q

inspectie

A

-jugulare turgescente
-staza pulmonara (raluri la baza, murmur vezicular bazal absent )
-insuf VD (hepatomegalie, ascita, edeme perferice)
-

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14
Q

ecg

A
  • fibrilatie atriala
  • dilatatie AS
  • hipertrofie VS
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15
Q

radio

A
  • marire cavitati stangi

- AS are compliant acre deci apar mai rar HT pulmonara

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16
Q

prolaps de valva mitrala (sindrom Barlow) = sindromul click murmur

A

cauze:

  • degenerescenta mixomatoasa
  • cardiomiopatie hipertrofica obstructiva
  • RAA

=>pot aparea aritmii

17
Q

auscultatie - prolaps mital

A

-click mezosistolic (dat de momentul prolapsului) cu murmur mezosistolic crescendo descrescendo

18
Q

in ortostatism si inspir cavitatea VS se..

A

micsoreaza (pentru ca scade intoarcerea venoasa)

19
Q

in clinostatism, poziti egremuit, efort izovolumetric, expir, cavitatea VS se..

A

mareste (pentru ca crest eintoarcerea venoasa)

20
Q

deplasarea click-ului in auscultatie dinamica

A
  • se aude mai precoce cand cavitatea VS e mai mica (volumul sistolic e mai mic cand intoarcerea venoasa e mai mica)
  • se aude mai tarziu cand cav BS e marita