stenoza mitrata Flashcards

(19 cards)

1
Q

aspect valvular mitral RAA

A

= gura de peste
cuspe ingrosate
comisuri fuzionate
cordaje ingustatate si scurtate

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2
Q

suflu Austin Flint

A

suflu diastolic din insuficienta aortica?

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3
Q

ce sunt stenoze mitrale functionale

A

cand volumul de sange ce trebuie sa treaca prin valva este mult prea mare fata de cat poat evalva sa duca

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4
Q

stenoze mitrale functionale

exemple

A
  • regurgitare mitrala severa (prin valva trece si volumul regurgitat plus cel din debitul normal
  • insuficienta aortica = sangele ce regurgiteaza din aorta impierdica deschiderea cuspelor
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5
Q

cand apar primele semne de dispnee la pacienti cu SM

A

in conditii de tahiacardie (anemie, febra, sarcina)
-scade diastola
-cerste fluxul transmitral
=> valva nu mai face fata

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6
Q

cum apare edem pulmonat acut in SM

A
  • valva nu face fata asa ce crest epresiunea in AS
  • crest epresiune in venele pulmonare si in capilare si difuceaza in interstitiu

also, creste presiunea in arterele pulmonare si si apare insuficienta cardiaca dreapta

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7
Q

de ce apare HT pulmonara in SM

A
  • cresterea presiunii in AS si in venele pulmonare duce la vasoconstrictie arteriolara
  • edem interstitial
  • obliterari de vase
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8
Q

consecinte de conductanta electrica dilatare AS

A

aritmii supraventriculare (fibrilatie atriala)

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9
Q

simptome

A
  • dispnee (data congestie si de scaderea compliantei pulmonare)
  • fatigabilitate, scadere capacitat ede efort (cordul nu isi poate creste DC)
  • ortopnee, dispnee paroxistica noscturna
  • palpitatii (date de aritmii supraventriculare)
  • disfonie (compresie nerg laringeu recurent)
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10
Q

inspectie

A
  • facies mitral (eritem malar)
  • jugulare turgescente (vezi jugulograma)
  • cianoza periferica
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11
Q

palpare

A
  • pe langa socul pexian care e normal, se simte un impuls parasternat in partea stanga dar de dilatare VD
  • zgomot 1 palpabil (mitrala pliabila)
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12
Q

auscultatie

A
  • Z1 accentuat (in prima faza, pentru ca dupa ce se calcifica valva seu aude asurzit - nici nu se deschide complet, nici nu se inchide complet)
  • murmur presistolic (coloana de sange impinsa de sistola atriala, deci acest simptom nu exista in fibrilatie atriala)
  • z3
  • Z4
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13
Q

CDM

A

se aude in ….

-distanta dintre Z2 si CDM este invers proportionala cu gradul stenozei

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14
Q

uruitura diastolica

A
  • intensitatea nu a proportionala cu gravitatea SM, dar durata e
  • pe masura ce se agraveaza SM uruituta devine din medio-diastolica in holodiastolica
  • daca e ritm sinusal se aude o intensitatate inainte de sistola data de contractia atriala
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15
Q

ruf-tum-ta-ta

A

ruff- uruitura diastolica
tum- Z1
ta- Z2
ta -CDM

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16
Q

suflu Grahan Steel

A

=suflu de regurgitare pulmonara

  • accentuat in inspir
  • cu Z2 accentuat
  • click ejectional pulmonar
17
Q

suflu Rivero-Caevello

A

=suflu de regurgitare tricuspidiana

  • suflu holosistolic parasernal stang
  • accentuat in inspir, diminuat in expir
18
Q

pe ecg

A
  • unda P lunga (dilatare AS)
  • fibrilatie atriala
  • dilatar VD
19
Q

radio

A
  • bombare arc mijlociu stang (artera pulmonara si urechiusa AS)
  • hiluri proeminente
  • linii Kerley A si B (edem interstitial)