Tej zaum koj yog xim doppler ultrasound cov neeg yuav khoom zoo nkauj doppler , thiab Mecanmed yog ib qho chaw tsim khoom lag luam thiab cov khoom siv uas tuaj yeem ua tau raws li koj cov kev xav tau. Tsis tsuas yog xim doppler ultrasound peb tsim tau muaj pov thawj cov qauv kev lag luam thoob ntiaj teb, tab sis peb kuj tuaj yeem ua tau raws li koj cov kev xav tau kev hloov kho. Peb muab online, kev pabcuam raws sij hawm thiab koj tuaj yeem tau txais cov lus qhia kev tshaj lij ntawm cov xim doppler ultrasound . Tsis txhob yig tau txais kev sib cuag nrog peb yog tias koj txaus siab rau xim doppler ultrasound , peb yuav tsis tso koj tseg.