Video: Dab tsi tshwm sim rau tus neuron thaum raug rau tetrodotoxin?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tetrodotoxin yog sodium channel blocker. Nws txwv tsis pub tua ntawm cov peev xwm ua hauv cov neurons los ntawm kev khi rau qhov voltage-gated sodium channels hauv paj hlwb daim nyias nyias thiab thaiv qhov hla ntawm sodium ions (lub luag haujlwm rau theem nce ntawm qhov muaj peev xwm ua) mus rau hauv hlwb.
Tom qab ntawd, tetrodotoxin cuam tshuam dab tsi?
KEV TSHAWB XEEB-TERM (QHOV TSEEB 8-HOURS) NPHAV : Tetrodotoxin cuam tshuam nrog kev sib kis ntawm cov hlab ntsha mus rau cov leeg los ntawm kev thaiv cov sodium. Qhov no ua rau muaj kev qaug zog sai thiab tuag tes tuag taw ntawm cov leeg, suav nrog cov pa ua pa, uas tuaj yeem ua rau raug ntes thiab tuag.
Tom qab ntawd, lo lus nug yog, tetrodotoxin cuam tshuam li cas thiaj li muaj peev xwm so tau daim nyias nyias? Tetrodotoxin thaiv qhov kev coj ua ntawm muaj peev xwm nqis tes ua nyob rau hauv cov hlab ntsha yam tsis hloov pauv so tej zaum muaj peev xwm (Narahashi, 1974). Hauv kev sib piv rau cov tshuaj loog hauv zos, nws muaj txiaj ntsig zoo tsuas yog thaum siv rau sab nraud ntawm lub ntsej muag daim nyias nyias.
Los ntawm qhov ntawd, koj puas tuaj yeem muaj sia nyob tetrodotoxin?
Yog, nws yeej ua tau ciaj sia lom lom. Raws li ib ib sab, tshuaj lom pufferfish hu ua Tetrodotoxin (TTX) thiab tau pom muaj nyob hauv ntau yam tsiaj sib txawv thoob ntiaj teb suav nrog california liab-tsawb sib ntsib thiab Australian blue ringed octopus.
Vim li cas koj thiaj li loog tom qab noj ntses ntses?
Dr. Westwood ntsib kev loog tom qab noj mov cov nuv ntses noj vim peb muaj cov neurons uas tau txais thiab xa cov kev xav thiab cov tshuaj lom tau thaiv qhov kev coj ua ntawm cov hlab ntsha uas ua rau nws muaj paresthesia.
Pom zoo:
Qhov chaw zoo tshaj plaws rau tus neeg raug tsim txom raug tso thaum ua CPR yog dab tsi?
Cov neeg laus CPR - Compression. Thaum ua kom lub hauv siab nruj, tso tes kom raug yog qhov tseem ceeb heev. Txhawm rau nrhiav qhov tseeb ntawm txoj haujlwm tes tso ob tus ntiv tes ntawm lub sternum (qhov chaw uas tus tav tav sib ntsib) tom qab ntawd muab lub pob taws ntawm koj txhais tes txuas ib sab ntawm koj cov ntiv tes (Daim duab 1)
Dab tsi yog qhov tshwm sim tshwm sim ntawm tus neeg sawv cev tiv thaiv anginal?
Mob taub hau yog qhov tshwm sim feem ntau ntawm nitrates; feem ntau cuam tshuam nrog koob tshuaj thiab tshaj tawm txog li 82% ntawm cov neeg mob hauv kev sim tshuaj tswj cov placebo. Ze li 10% ntawm cov neeg mob tsis tuaj yeem tiv taus nitrates vim ua rau mob taub hau lossis kiv taub hau
Lub sij hawm kho mob yog dab tsi rau kev kwv yees ntawm cov kab mob thiab nws qhov tshwm sim tshwm sim?
Kev kwv yees - Kev txhais lus kho mob Kev kwv yees ntawm qhov yuav tshwm sim thiab tshwm sim ntawm tus kab mob. Muaj feem yuav rov zoo los ntawm tus kab mob
Thaum tus kws kho mob tau tso cai tso cai ntau npaum li cas yuav tsum muaj kev sib ntsib tim ntsej tim muag tshwm sim ntawm tus kws kho mob thiab cov kws kho mob qib siab uas tau sau npe rau tus nais maum?
Txawm li cas los xij, yog tias APRN lossis PA tau nyob hauv daim ntawv pom zoo tso cai nrog kws saib xyuas kws kho mob tsawg kawg tsib ntawm xya xyoo dhau los, cov rooj sib tham tim ntsej tim muag yuav tsum tshwm sim tsawg kawg ib hlis txog rau thawj hnub ntawm hnub uas tau pom zoo kos npe
Dab tsi tshwm sim tshwm sim ntawm kev sib tshuam neuromuscular uas ua rau cov leeg sib cog lus?
Thaum qhov muaj peev xwm ua tau mus txog qhov sib txuas neuromuscular, nws ua rau acetylcholine raug tso tawm rau hauv qhov kev sib txuas no. Cov acetylcholine khi rau cov nicotinic receptors concentrated nyob rau hauv lub motor kawg phaj, ib qho chaw tshwj xeeb ntawm cov nqaij fibers lub post-synaptic membrane