![Qhov kev tshuaj ntsuam xyuas lub suab ntshiab nkaus xwb yog dab tsi? Qhov kev tshuaj ntsuam xyuas lub suab ntshiab nkaus xwb yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14078293-what-is-screening-test-pure-tone-air-only-j.webp)
Video: Qhov kev tshuaj ntsuam xyuas lub suab ntshiab nkaus xwb yog dab tsi?
![Video: Qhov kev tshuaj ntsuam xyuas lub suab ntshiab nkaus xwb yog dab tsi? Video: Qhov kev tshuaj ntsuam xyuas lub suab ntshiab nkaus xwb yog dab tsi?](https://i.ytimg.com/vi/ro0jR0rwiEA/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txog Ntshiab - Kev Xeem Tone
Qhov no xeem pab nrhiav lub suab ntsiag to koj tuaj yeem hnov ntawm cov suab sib txawv, lossis ntau zaus. Qhov no yog suab-teb tshuaj ntsuam . Lub suab nkag mus rau hauv ob lub pob ntseg tib lub sijhawm. Hom no xeem tsis qhia yog tias muaj kev hnov lus tsis zoo hauv xwb ib pob ntseg.
Ua raws li qhov no hauv kev txiav txim siab, qhov kev ntsuam xyuas lub suab nrov yog dab tsi?
D001301. Lub suab ntshiab audiometry los yog dawb huv - suab nrov audiometry yog lub ntsiab kev xeem hnov lus siv los txheeb xyuas hnov lus theem pib ntawm ib tug neeg, ua rau kev txiav txim siab ntawm cov degree, hom thiab configuration ntawm a hnov lus poob thiab yog li muab lub hauv paus rau kev kuaj mob thiab kev tswj hwm.
Ib qho ntxiv, lub suab dawb huv nruab nrab txhais li cas? A Pure Tone Nruab Nrab (PTA) hais txog qhov nruab nrab Cov theem ntawm kev hnov lus ntawm ib pawg ntawm cov zaus: feem ntau 500, 1000, 2000 thiab 4000 Hz. Yog koj PTA yog <25 dB, koj lub rooj sib hais tag nrho yuav raug xam tias yog nyob rau hauv ib txwm txwv.
Ua raws li qhov no, kev tshuaj ntsuam audiometric yog dab tsi?
Feem ntau, audiometric kev ntsuam xyuas txiav txim siab tus neeg kawm ntawv cov qib kev hnov lus nrog kev pab ntawm ib qho audiometer , tab sis kuj tseem tuaj yeem ntsuas qhov muaj peev xwm los sib cais ntawm cov suab sib txawv, paub lub suab, lossis paub qhov txawv ntawm cov suab nrov tom qab. Acoustic reflex thiab otoacoustic emissions kuj raug ntsuas.
Qhov qhab nia xeem hnov qhov tsis hnov lus yog dab tsi?
40 dB suab ob zaug nrov li 30 dB thiab 8 lub suab nrov li 10 dB (10 txog 20 txog 30 txog 40 = 2 x 2 x 2 = 8). Kev hnov lus zoo yog hom twg los ntawm 0 txog 20 dB hauv txhua zaus.
Pom zoo:
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Yam kev hnov lus tsis zoo dab tsi hauv kev hais lus hauv kev hnov lub suab hnov suab ntsuas?
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