Yadda ake Inganta Ingantattun Hotunan Ultrasound(2)

Kamar yadda kowa ya sani cewa tsabtar hoton duban dan tayi yana tabbatar da ko ganewar mu daidai ne, Bugu da ƙari ga aikin na'ura, muna da wasu hanyoyin da za a inganta tsabtar hoton.

Baya ga abin da muka ambata a cikin labarin da ya gabata, abubuwa masu zuwa za su shafi hotuna na duban dan tayi.

1. Shawara

Akwai manyan shawarwari guda uku na duban dan tayi: ƙudurin sarari, ƙudurin lokaci, da ƙudurin bambanci.

● Ƙimar sararin samaniya

Ƙimar sararin samaniya shine ikon duban dan tayi don bambanta maki biyu a wani zurfin zurfi, zuwa kashi axial ƙuduri da ƙuduri na gefe.

Ƙaddamarwar axial ita ce ikon bambanta tsakanin maki biyu a cikin shugabanci mai layi ɗaya da na'urar duban dan tayi (tsayi), kuma yana daidai da mitar transducer.

Ƙaddamar da ƙaddamarwa na bincike mai zurfi yana da girma, amma a lokaci guda ƙaddamar da sautin sauti a cikin nama kuma ya fi girma, wanda zai haifar da babban ƙuduri na tsarin da ba shi da zurfi, yayin da ƙaddamarwar axial na zurfin zurfi. tsarin yana da ƙananan ƙananan, don haka ina so in inganta ƙudurin Axial na sifofi mai zurfi, ko dai ta hanyar kawo masu juyawa masu girma kusa da manufa (misali, transesophageal echocardiography) ko ta hanyar canzawa zuwa ƙananan masu juyawa.Wannan shine dalilin da ya sa ana ba da shawarar yin amfani da gwaje-gwaje masu yawa don duban dan tayi na nama na waje da ƙananan ƙananan bincike don duban nama mai zurfi.

Ƙididdigar gefe ita ce ikon bambance maki biyu daidai gwargwado zuwa jagorancin katako na ultrasonic (a kwance).Baya ga kasancewa daidai da mitar binciken, yana da alaƙa da kusanci da saitin mayar da hankali.Nisa na katako na ultrasonic shine mafi kunkuntar a cikin wurin mayar da hankali, don haka ƙuduri na gefe ya fi dacewa a mayar da hankali.A sama muna iya ganin cewa mita da mayar da hankali na binciken suna da alaƙa sosai da ƙudurin sararin samaniya na duban dan tayi.1

Hoto 1

● Ƙaddamarwa na ɗan lokaci

Ƙudurin ɗan lokaci, wanda kuma aka sani da ƙimar firam, yana nufin adadin firam a sakan daya na hoto.Ana daukar kwayar cutar ta Ultrasound a cikin nau'i na bugun jini, kuma bugun jini na gaba za'a iya yada shi ne kawai bayan bugun da ya gabata ya koma binciken duban dan tayi.

Ƙaddamarwar lokaci tana da alaƙa mara kyau tare da zurfin da adadin wuraren mai da hankali.Mafi girman zurfin da mafi yawan wuraren mai da hankali, ƙananan mitar maimaita bugun bugun jini da ƙananan ƙimar firam.A hankali a hankali hoton, ƙarancin bayanan da aka kama a cikin ɗan gajeren lokaci.Yawancin lokaci lokacin da ƙimar firam ɗin ke ƙasa da firam/s 24, hoton zai yi flicker.

A lokacin aikin maganin sa barci, lokacin da allura ke motsawa da sauri ko kuma an yi allurar da maganin cikin sauri, ƙarancin firam ɗin zai haifar da ɓatattun hotuna, don haka ƙuduri na ɗan lokaci yana da matukar mahimmanci don ganin allurar yayin huda.

Ƙudurin bambance-bambance yana nufin ƙaramin bambancin sikelin launin toka wanda kayan aiki zai iya bambanta.Matsakaicin tsayin daka yana da alaƙa kusa da ƙudurin bambanci, mafi girman kewayon ƙarfi, ƙaramin bambanci, mafi kyawun hoto, kuma mafi girman ikon gano kyallen takarda ko abubuwa iri ɗaya guda biyu (Hoto 2).

Hoto 2

2.Yawaita

Mitar ta kai tsaye daidai da ƙudurin sararin samaniya kuma ya yi daidai da shigan duban dan tayi (Hoto na 3).Maɗaukakiyar mitoci, ɗan gajeren zango, babban attenuation, ƙarancin shigar ciki, da babban ƙudurin sarari.

Hoto 3

A cikin aikin asibiti, makasudin mafi yawan ayyuka ba su da ɗanɗano, don haka manyan binciken jeri na layin layi na iya biyan bukatun yau da kullun na likitoci, amma lokacin da ake fuskantar majinyata masu kiba ko maƙasudin huda mai zurfi (kamar lumbar plexus), ƙarancin mitar mai ɗaukar hoto. bincike kuma yana da mahimmanci.

Yawancin bincike na ultrasonic na yanzu sune broadband, wanda shine tushen fahimtar fasahar jujjuya mita.Juyawa juzu'i yana nufin cewa ana iya canza mitar aikin binciken lokacin amfani da bincike iri ɗaya.Idan makasudin na sama ne, zaɓi babban mita;idan makasudin yana da zurfi, zaɓi ƙaramin mitar.

Ɗaukar Sonosite duban dan tayi a matsayin misali, jujjuyawar mitar ta yana da nau'ikan 3, wato Res (ƙuduri, zai samar da mafi kyawun ƙuduri), Gen (janar, zai samar da mafi kyawun ma'auni tsakanin ƙuduri da shigar azzakari cikin farji), Pen (shigarwa, zai samar da mafi kyawun shigar azzakari cikin farji). ).Sabili da haka, a cikin ainihin aikin, yana buƙatar daidaitawa bisa ga zurfin yankin da aka yi niyya.