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Vizuelizacione stres metode

March 20, 2009

stres-metodePacijenti koji su dobri kandidati za stres-test vizuelizacionim (imaging) metodama, obuhvataju sledeće kategorije:

  1. pacijenti sa kompletnim blokom leve grane, WPW sindromom, električnim pacingom;
  2. pacijenti sa depresijom ST >1 mm u miru, kao i oni sa hipertrofijom leve komore ili na odredjenoj terapiji (digitalis);
  3. pacijenti koji ne mogu da postignu adekvatan nivo opterećenja za interpretaciju testa;
  4. pacijenti sa anginom pektoris kojima je uradjena revaskularizacija miokarda i u kojih je neophodno proceniti lokalizaciju ishemije i postojanje vitalnog miokarda.

Različite metode se mogu koristiti za indukciju stresa:

  1. fizičko opterećenje,  i
  2. farmakološki agensi (dobutamin ili vazodilatatori).

Kada pacijent može da postigne adekvatan nivo fizičkog opterećenja, ovaj test ima prednost u odnosu na farmakološke testove.

Najčešće primenjivani lekovi za farmakološki stres-test su dipiridamol, adenozin i dobutamin.

Dipiridamol i adenozin su vazodilatatori, koji se najčešće koriste u perfuzionoj scintigrafiji, dok se dobutamin, kao pozitivno inotropni i hronotropni lek uglavnom koristi u ehokardiografiji.

Autor KardioNet · u Dijagnoza i testovi kod srčanog udara 
O autoru: KardioNet je prvi domaći Internet portal - servis koji pružaocima zdravstvenih usluga u domenu kardiologije, naučno-istraživačkim organizacijama, lekarima, predstavnicima farmaceutske i industrije medicinske opreme, države i fondova osiguranja, kao i pacijentima i zdravoj populaciji, omogućava pristup traženim medicinskim informacijama u bilo kom momentu, sa bilo kog mesta.

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