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Iyini i-Doppler Imaging?

I-Ultrasound Doppler imaging yikhono lokuhlola nokukala ukugeleza kwegazi emithanjeni ehlukahlukene, emithanjeni nasemithanjeni. Ngokuvamile emelelwa isithombe esinyakazayo esikrinini sesistimu ye-ultrasound, umuntu ngokuvamile angakwazi ukubona ukuhlolwa kwe-Doppler ekugelezeni kwegazi okunombala okubonakala esithombeni se-ultrasound. I-Doppler ingakwazi ukuhumusha imibala esesithombeni ngokususelwe ekulinganiseni ukugeleza kwegazi endaweni ethile edwetshwayo.

I-Doppler imaging ihlukile ekufanekisweni kwe-ultrasound yendabuko ngendlela eyodwa ebalulekile: empeleni ayifaki isithombe sanoma yisiphi isakhiwo. I-ultrasound yendabuko inikeza izithombe zezakhiwo ezihlukahlukene, izitho, nemithambo ukuze kuhlonzwe ukukhula, ukuphuka, izinkinga zesakhiwo, nezinye izimo eziningi ezingaba khona. I-Doppler imaging, ngakolunye uhlangothi, ikhiqiza kuphela isithombe sokugeleza kwegazi.

I-Ultrasound Doppler imaging iyindlela eyaziwa emhlabeni wonke futhi ehlonishwa kakhulu ngenxa yemvelo yayo engahlaseli futhi engasebenzisi imisebe. I-Doppler ayisebenzisi imisebe noma izici ezihlaselayo, kodwa kunalokho isebenza ngendlela efanayo nezinye izinto zokuthwebula ze-ultrasound; kusetshenziswa amaza omsindo aphezulu aboniswa futhi aguqulelwe abe imibala, izithombe, nokunyakaza okuhlukahlukene.

Izinsizakalo ze-Doppler imaging:

I-Doppler imaging ihlukile ekufanekisweni kwe-ultrasound yendabuko ngendlela eyodwa ebalulekile: empeleni ayifaki isithombe sanoma yisiphi isakhiwo. I-ultrasound yendabuko inikeza izithombe zezakhiwo ezihlukahlukene, izitho, nemithambo ukuze kuhlonzwe ukukhula, ukuphuka, izinkinga zesakhiwo, nezinye izimo eziningi ezingaba khona.

I-Doppler imaging, ngakolunye uhlangothi, isetshenziselwa ukubona ukugeleza kwegazi kanye nezingozi ezihlukahlukene ezingase zenzeke emithanjeni, emithanjeni nasemithanjeni yegazi. I-Doppler imaging ivame ukusetshenziselwa ukubona amahlule egazi, ukuhlonza amavalvu angasebenzi kahle emithanjeni, ukunquma ukuthi imithambo ivalekile yini, noma ukukhomba ukujikeleza kwegazi okunciphile kuwo wonke umzimba. Zonke lezi zinsongo ezingaba khona empilweni nasempilweni zingabonwa futhi zivinjwe nge-Doppler imaging.

Abantu basebenzisa izithombe ze-Doppler ezinhlelweni ezihlukene: Isibonelo, i-Doppler yenhliziyo, ehlola ukugeleza kwegazi ukuya nokusuka enhliziyweni, iyingxenye evamile futhi ebucayi kakhulu yokuhlolwa kwesifo senhliziyo.

Ezinye izinhlelo zokusebenza ezidumile ze-Doppler zifaka i-transcranial Doppler (ilandelela ukugeleza kwegazi ebuchosheni nasekhanda), i-vascular Doppler, kanye ne-venous ne-arterial Doppler.

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Isikhathi sokuthumela: Aug-26-2024