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Doppler Ultrasound Part 1 - Principles (w/ focus on Spectral Waveforms)
Video: Doppler Ultrasound Part 1 - Principles (w/ focus on Spectral Waveforms)

Litaba

Doppler ultrasound ke eng?

Doppler ultrasound ke teko ea litšoantšo e sebelisang maqhubu a molumo ho bonts'a mali a tsamaeang ka methapo ea mali. Ultrasound e tloaelehileng e boetse e sebelisa maqhubu a molumo ho etsa litšoantšo tsa meaho kahare ho mmele, empa e ke ke ea bontša phallo ea mali.

Doppler ultrasound e sebetsa ka ho lekanya maqhubu a molumo a hlahang linthong tse tsamaeang, joalo ka lisele tse khubelu tsa mali. Sena se tsejoa e le phello ea Doppler.

Hona le mefuta e fapaneng ea liteko tsa Doppler ultrasound. Li kenyeletsa:

  • Mmala Doppler. Mofuta ona oa Doppler o sebelisa komporo ho fetola maqhubu a molumo ka mebala e fapaneng. Mebala ena e bonts'a lebelo le tataiso ea phallo ea mali ka nako ea 'nete.
  • Matla Doppler, mofuta o mocha oa 'mala Doppler. E ka fana ka lintlha tse qaqileng mabapi le phallo ea mali ho feta 'mala o tloaelehileng Doppler. Empa e ke ke ea bonts'a tataiso ea phallo ea mali, e ka bang bohlokoa maemong a mang.
  • Ponahalo ea Doppler. Teko ena e bonts'a tlhaiso-leseling ea phallo ea mali ho graph, ho fapana le litšoantšo tsa mebala. E ka thusa ho bonts'a hore na sejana sa mali se koetsoe hakae.
  • Duplex Doppler. Teko ena e sebelisa ultrasound e tloaelehileng ho nka litšoantšo tsa methapo ea mali le litho tsa 'mele. Ebe k'homphieutha e fetola litšoantšo graph, joaloka Doppler ea spectral.
  • E tsoelang pele tsokoang Doppler. Tekong ena, maqhubu a molumo a romelloa le ho amoheloa khafetsa. E lumella litekanyo tse nepahetseng tsa mali tse phallang ka lebelo le leholo.

Mabitso a mang: Doppler ultrasonography


E sebelisetsoa eng?

Ho sebelisoa liteko tsa Doppler ultrasound ho thusa bafani ba tlhokomelo ea bophelo ho fumana hore na o na le boemo bo fokotsang kapa bo thibelang phallo ea mali a hau. E kanna ea sebelisoa ho thusa ho fumana mafu a mang a pelo. Hangata tlhahlobo e sebelisoa ho:

  • Lekola ts'ebetso ea pelo. Hangata ho etsoa hammoho le electrocardiogram, e leng teko e metha matšoao a motlakase ka pelong.
  • Batla li-blockages tsa phallo ea mali. Phallo ea mali e thibetsoeng maotong e ka baka boemo bo bitsoang deep vein thrombosis (DVT).
  • Hlahloba tšenyo ea methapo ea mali le liphoso tsa sebopeho sa pelo.
  • Batla ho fokotsa methapo ea mali. Metsing e patisaneng matsohong le maotong e ka bolela hore o na le boemo bo bitsoang lefu la pheripheral arterial disease (PAD). Ho fokotsa methapo molaleng ho ka bolela hore u na le boemo bo bitsoang carotid artery stenosis.
  • Lekola phallo ea mali kamora ho buuoa.
  • Lekola phallo e tloaelehileng ea mali ho mokhachane le lesea la hae le e-so hlahe.

Hobaneng ha ke hloka Doppler ultrasound?

U kanna ua hloka Doppler ultrasound haeba u na le matšoao a phallo ea mali kapa lefu la pelo. Matšoao a fapana ho latela maemo a bakang bothata. Maemo le matšoao a tloaelehileng a phallo ea mali a ka tlase.


Matšoao a lefu la methapo ea methapo (PAD) a kenyelletsa:

  • Ho ba lerootho kapa bofokoli maotong a hau
  • Ho kobeha habohloko lethekeng kapa mesifa ea leoto ha u tsamaea kapa u hloa litepisi
  • Boikutlo bo batang leotong la hao le ka tlase kapa leotong
  • Fetola 'mala le / kapa letlalo le benyang leotong la hao

Matšoao a mathata a pelo a kenyelletsa:

  • Phefumoloho e khutšoanyane
  • Ho ruruha maotong, maotong le / kapa mpeng
  • Mokhathala

U kanna ua hloka Doppler ultrasound haeba u:

  • Ke bile le stroke. Kamora stroke, mofani oa hao oa tlhokomelo ea bophelo a ka odara mofuta o khethehileng oa tlhahlobo ea Doppler, e bitsoang transcranial Doppler, ho lekola phallo ea mali bokong.
  • Ke lemetse methapong ea hau ea mali.
  • Ba alafshoa lefu la phallo ea mali.
  • U imme mme mofani oa hau o nahana hore uena kapa lesea la hau le e-s'o hlahe le ka ba le bothata ba phallo ea mali. Mofani oa hau a ka belaella bothata haeba lesea la hau le e-so hlahe le le nyane ho feta kamoo le lokelang ho ba mothating ona oa bokhachane kapa haeba o na le mathata a itseng a bophelo. Tsena li kenyelletsa lefu la seleng ea sekele kapa preeclampsia, mofuta oa khatello e phahameng ea mali e amang basali ba bakhachane.

Ho etsahalang nakong ea Doppler ultrasound?

Doppler ultrasound hangata e kenyelletsa mehato e latelang:


  • U tla bua leshano tafoleng, u pepese sebaka sa 'mele oa hau se ntseng se lekoa.
  • Mofani oa tlhokomelo ea bophelo o tla ala gel e khethehileng letlalong sebakeng seo.
  • Mofani oa thepa o tla tsamaisa sesebelisoa se ts'oanang le wand, se bitsoang transducer, sebakeng seo.
  • Sesebelisoa se romela maqhubu a molumo 'meleng oa hau.
  • Motsamao oa lisele tsa mali o baka phetoho molumo oa maqhubu a molumo. U kanna oa utloa melumo ea ho sesa kapa ea ho otla ha pelo nakong ea ts'ebetso.
  • Maqhubu aa hatisoa ebe a fetoha litšoantšo kapa likerafo tse shebiloeng.
  • Kamora hore teko e fete, mofani oa thepa o tla hlakola gel 'meleng oa hau.
  • Teko e nka metsotso e ka bang 30-60 ho phethela.

Na ke tla hloka ho etsa eng kapa eng ho itokisetsa tlhahlobo?

Ho itokisetsa Doppler ultrasound, o kanna oa hloka ho:

  • Tlosa liaparo le mabenyane sebakeng sa 'mele se ntseng se hlahlojoa.
  • Qoba lisakerete le lihlahisoa tse ling tse nang le nicotine ho fihlela lihora tse peli pele ho tlhahlobo ea hau. Nicotine e etsa hore methapo ea mali e fokotsehe, e ka amang litholoana tsa hau.
  • Bakeng sa mefuta e meng ea liteko tsa Doppler, o ka kopuoa ho itima lijo (ho se je kapa ho noa) lihora tse 'maloa pele ho tlhahlobo.

Mofani oa hao oa tlhokomelo ea bophelo o tla u tsebisa haeba u hloka ho etsa eng kapa eng ho itokisetsa tlhahlobo ea hau.

Na ho na le likotsi tsa tlhahlobo?

Ha ho na likotsi tse tsebahalang tsa ho ba le Doppler ultrasound. E boetse e nkoa e sireletsehile nakong ea bokhachane.

Liphetho li bolelang?

Haeba liphetho tsa hau li ne li sa tloaeleha, ho ka bolela hore u na le:

  • Ho koala kapa ho koala methapo
  • Methapo ea mali e mosesane
  • Phallo e sa tloaelehang ea mali
  • Anurysm, leqhubu le kang la balune methapong. E etsa hore methapo ea methapo e otlolohe le ho ba mosesane. Haeba lebota le le lesesane haholo, mothapo o ka petsoha, oa baka mali a sokelang bophelo.

Liphetho li kanna tsa bonts'a haeba ho na le phallo e sa tloaelehang ea mali leseeng le e-so hlahe.

Moelelo oa liphetho tsa hau o tla latela hore na ke karolo efe ea 'mele e neng e lekoa. Haeba u na le lipotso mabapi le liphetho tsa hau, bua le mofani oa tlhokomelo ea bophelo.

Litšupiso

  1. Johns Hopkins Medicine [Inthanete]. Univesithi ea Johns Hopkins; c2020. Bongaka ba Johns Hopkins: Laeborari ea Bophelo: Pelvic Ultrasound; [e qotsitsoeng ka 2020 Phupu 23]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.hopkinsmedicine.org/healthlibrary/conditions/adult/radiology/ultrasound_85,p01298
  2. Mayo Clinic [Inthaneteng]. Motheo oa Mayo oa Thuto ea Bongaka le Patlisiso; c1998–2019. Doppler ultrasound: E sebelisetsoa eng ?; 2016 Dec 17 [e qotsitsoeng ka 2019 Mar 1]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.mayoclinic.org/doppler-ultrasound/expert-answers/faq-20058452
  3. Mayo Clinic [Inthaneteng]. Motheo oa Mayo oa Thuto ea Bongaka le Patlisiso; c1998–2019. Electrocardiogram (ECG kapa EKG): Mabapi le; 2019 Feb 27 [e qotsitsoeng ka 2019 Mar 1]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.mayoclinic.org/tests-procedures/ekg/about/pac-20384983
  4. Mayo Clinic [Inthaneteng]. Motheo oa Mayo oa Thuto ea Bongaka le Patlisiso; c1998–2019. Boloetse ba methapo ea kutlo (PAD): Matšoao le lisosa; 2018 Jul 17 [e qotsitsoeng ka 2019 Mar 1]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.mayoclinic.org/diseases-conditions/peripheral-artery-disease/symptoms-causes/syc-20350557
  5. Phetolelo ea Merck Manual Consumer [Inthanete]. Kenilworth (NJ): Merck & Co., Inc .; c2019. Ultrasonography; [e ntlafalitsoeng ka 2015 Aug; e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.merckmanuals.com/home/special-subjects/common-imaging-tests/ultrasonography
  6. National Heart, Lung, le Setsi sa Mali [Internet]. Bethesda (MD): Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Echocardiography; [e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://www.nhlbi.nih.gov/health-topics/echocardiography
  7. National Heart, Lung, le Setsi sa Mali [Internet]. Bethesda (MD): Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Ho Hloleha ha Pelo; [e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://www.nhlbi.nih.gov/health-topics/heart-failure
  8. Bophelo bo botle ba Novant: Sistimi ea Bophelo ea UVA [Marang-rang]. Sisteme ea Novant Health; c2018. Ultrasound le Doppler Ultrasound; [e qotsitsoeng ka la 1 Mar 1]; [hoo e ka bang li-skrini tse 4]. E fumaneha ho tsoa ho: https://www.novanthealthuva.org/services/imaging/diagnostic-exams/ultrasound-and-doppler-ultrasound.aspx
  9. Radiology Info.org [Inthanete]. Mokhatlo oa Radiological oa Amerika Leboea, Inc .; c2019. Doppler Ultrasound; [e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.radiologyinfo.org/en/glossary/glossary1.cfm?gid=96
  10. Radiology Info.org [Inthanete]. Mokhatlo oa Radiological oa Amerika Leboea, Inc .; c2019. Kakaretso Ultrasound; [e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.radiologyinfo.org/en/info.cfm?pg=genus
  11. Reeder GS, Currie PJ, Hagler, DJ, Tajik AJ, Seward JB. Ts'ebeliso ea Mekhoa ea Doppler (Continuous-Wave, Pulsed-Wave, le Colour Flow Imaging) ho Noninvasive Hemodynamic Assessment ea Congenital Heart Mafu. Mayo Clin Proc [Inthaneteng]. 1986 Sep [e qotsitsoeng ka 2019 Mar 1]; 61: 725-744. E fumaneha ho tsoa ho: https://www.mayoclinicproceedings.org/article/S0025-6196(12)62774-8/pdf
  12. Tlhokomelo ea Bophelo ea Stanford [Marang-rang]. Tlhokomelo ea Bophelo ea Stanford; c2020. Doppler Ultrasound; [e qotsitsoeng ka 2020 Phupu 23]; [li-skrini tse ka bang 6]. E fumaneha ho tsoa ho: https://stanfordhealthcare.org/medical-tests/u/ultrasound/procedures/doppler-ultrasound.html
  13. Univesithi ea Ohio State: Wexner Medical Center [Inthanete]. Columbus (OH): Univesithi ea Ohio State, Setsi sa Bongaka sa Wexner; Doppler Ultrasound; [e qotsitsoeng ka la 1 Mar 1]; [hoo e ka bang li-skrini tse 4]. E fumaneha ho tsoa ho: https://wexnermedical.osu.edu/heart-vascular/conditions-treatments/doppler-ultrasound
  14. Bophelo ba UF: Univesithi ea Florida Health [Marang-rang]. Gainesville (FL): Univesithi ea Florida Health; c2019. Duplex ultrasound: Kakaretso; [e ntlafalitsoeng 2019 Mar 1; e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://ufhealth.org/duplex-ultrasound
  15. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2019. Doppler Ultrasound: Kamoo e Etsoang Kateng; [e ntlafalitsoeng 2017 Oct 9; e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 5]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/doppler-ultrasound/hw4477.html#hw4494
  16. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2019. Doppler Ultrasound: Mokhoa oa ho Itokisetsa; [e ntlafalitsoeng 2017 Oct 9; e qotsitsoeng ka la 1 Mar 1]; [hoo e ka bang li-skrini tse 4]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/doppler-ultrasound/hw4477.html#hw4492
  17. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2019. Doppler Ultrasound: Liphetho; [e ntlafalitsoeng 2017 Oct 9; e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 8]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/doppler-ultrasound/hw4477.html#hw4516
  18. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2019. Doppler Ultrasound: Likotsi; [e ntlafalitsoeng 2017 Oct 9; e qotsitsoeng ka la 1 Mar 1]; [tse ka bang li-skrini tse 7]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/doppler-ultrasound/hw4477.html#hw4514
  19. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2019. Doppler Ultrasound: Tlhatlhobo ea Teko; [e ntlafalitsoeng 2017 Oct 9; e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/doppler-ultrasound/hw4477.html#hw4480
  20. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2019. Doppler Ultrasound: Hobaneng e Etsoa; [e ntlafalitsoeng 2017 Oct 9; e qotsitsoeng ka la 1 Mar 1]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/doppler-ultrasound/hw4477.html#hw4485

Tlhahisoleseling e fumanehang sebakeng sena sa marang-rang ha ea lokela ho sebelisoa ho nka sebaka sa tlhokomelo ea bongaka le likeletso. Ikopanye le mofani oa tlhokomelo ea bophelo haeba u na le lipotso ka bophelo ba hau.

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