X-ray ntawm lub plawv yog cov txheej txheem tshawb fawb uas nws tuaj yeem txheeb xyuas txhua qhov sib txawv thiab cov kab mob uas nkag tsis tau rau tib neeg lub qhov muag thiab lwm yam khoom siv. Cov txheej txheem no yog incredibly cuam tshuam rau cov tshuaj. Nws muaj nyob rau txhua ntu ntawm cov pejxeem, thiab tsis mob thiab nrawm heev. X-rays taug kev los ntawm tib neeg lub cev ntawm qhov ceev ntawm lub teeb. Cov pob txha tsis muaj zog xa hluav taws xob, yog li lawv yuav tshwm sim dawb hauv daim duab, thaum lub plawv thiab lwm yam hauv nruab nrog cev ua kom tsaus.
X-rays ua haujlwm li cas
Ib lub tshuab x-ray yog ib yam khoom siv uas tuaj yeem hloov lub zog zoo tib yam rau hauv x-rays. Nws lub zog yog los ntawm cov hluav taws xob network. Nyob rau hauv niaj hnub x-ray tshuab muaj ib lub hwj chim mov thiab transformer. Lawv yog qhov tseem ceeb rau kev ua haujlwm tsis muaj kev cuam tshuam txawm tias lub zog tawm tag nrho.
Nyob rau hauv ib chav sib cais muaj lub X-ray tswj vaj huam sib luag. Nws yog tshwj xeeb nyob rau hauv tsis nyob ze lub cuab yeej, yog li ntawd cov kws kho mob tsis tau txais hluav taws xob koob tshuaj. Lub ntsiab tseem ceeb rau x-ray ntawm lub plawv yog lub raj tshwj xeeb uas tsim hluav taws xob. Nws nyob hauvlub nkoj ntom ntom. Ntawm ib sab yog lub cathode, thiab nyob rau lwm yam yog lub anode. Tom qab qhov hluav taws xob nyob rau hauv lub transformer, nws nkag mus rau hauv x-ray teb. Muaj kev cuam tshuam ntawm cathode thiab anode, ces lawv sai sai. Qhov no ua rau lub cim ntawm x-rays. Tag nrho cov no tshwm sim tam sim ntawd, ntawm qhov ceev ntawm lub teeb. Tom qab ntawd, tau txais daim duab X-ray ntawm lub plawv, uas yog tso tawm rau ntawm ib qho yeeb yaj kiab tshwj xeeb lossis ntawm lub computer screen.
Tam sim no, cov kws kho mob tsis muab daim duab ntawm tes, tab sis yuav tsum muaj cov lus piav qhia ntxaws txog x-ray ntawm lub plawv. Cov txiaj ntsig tuaj yeem pom nyob rau tib hnub, tom qab li ib nrab teev.
Kev X-ray ntawm lub siab
Txhawm rau pib cov txheej txheem no, koj yuav tsum tau hnav ib nrab. Tom qab ntawd koj yuav tsum tau sawv ntsug rau pem hauv ntej ntawm lub cuab yeej. Tom qab ntawd, tus kws kho mob so haujlwm mus rau lwm qhov chaw ua haujlwm, los ntawm qhov chaw nws yuav tswj xyuas cov txheej txheem. Ib tug neeg yuav tsum nias tawm tsam lub photocell, thiab tom qab ntawd ua pa tob thiab tuav nws ua tsis taus pa. Yog tias qhov no tsis ua tiav, qhov tshwm sim yuav pom qhov muag plooj lossis siv tsis tau kiag li. Tsis tas li ntawd, koj tsis tuaj yeem txav thiab twitch. Thaum lub sij hawm tus txheej txheem, tus neeg tsis hnov dab tsi.
Yog tias tus neeg tuaj rau X-ray tsis tuaj yeem txav mus los ntawm nws tus kheej, ces qhov no nws tau ua nyob rau hauv txoj haujlwm kab rov tav. Tib lub sijhawm, cov kws kho mob lossis cov txheeb ze yuav pab nws. Tsis tas li, txoj kev no tuaj yeem siv tau tom qab kev phais.
Kev qhia rau x-rays
Raws li koj paub, x-ray lub plawv tsis tuaj yeem ua tau zoo li ntawd, vim tias nws tuaj yeem cuam tshuam rau lub hauv siab thiab lub cev. Rau nwsKev teem caij yuav tsum muaj qee yam tsos mob. Cov no suav nrog: mob hauv siab lossis hauv siab, ntaus tsis sib xws, ntshav siab (lossis rov ua dua), kub siab tsis muaj laj thawj zoo.
X-ray lub plawv qhia dab tsi? Nrog nws cov kev pab, koj tuaj yeem tshawb xyuas ntau yam kab mob uas txawm tias nyob rau theem pib, nrog rau cov teeb meem loj. Lub hom phiaj ntawm qhov mob yog pom meej meej ntawm x-ray, uas yog qhov tsim nyog ua ntej kev kho mob lossis kev phais. Muaj cov xwm txheej thaum, raws li kev ntsuam xyuas, nws tsis paub meej tias tus neeg muaj kab mob dab tsi, vim tias cov tsos mob ntawm ntau yam kab mob zoo sib xws.
Yuav ua li cas npaj rau x-ray
Kev npaj tshwj xeeb tsis xav tau, tab sis qee qhov nuances yuav tsum raug coj mus rau hauv tus account. Yog hais tias ib tug neeg haus luam yeeb, ces koj yuav tsum tsis txhob ua qhov no ua ntej daim duab, vim hais tias ntawm luam yeeb, x-ray muaj peev xwm qhia qhov tsis ncaj ncees lawm tshwm sim, thiab vim li ntawd, qhov teeb meem yuav tsis raug txheeb xyuas thiab kev kho kom raug yuav tsis raug sau. Qhov no tuaj yeem ua rau muaj ntau yam teeb meem thiab kev hem thawj rau lub neej.
Koj yuav tsum tshem tag nrho cov hniav nyiaj hniav kub ntawm koj tus kheej, vim tias lawv tuaj yeem tsim kev puas tsuaj thaum irradiated. Qhov no kuj siv tau rau kev tho. Nws tsim nyog tshem tag nrho cov cuab yeej, lub mloog pob ntseg thiab lwm yam kom deb ntawm koj.
Radiation anatomy ntawm lub siab
Lub plawv nws tus kheej thiab tag nrho nws cov hlab ntsha yog pom meej hauv daim duab. Rau qhov tseeb dua ntawm X-ray ntawm lub plawv, ob hom kev kwv yees tau ua: ncaj qha thiab sab nraud. Nyob rau hauv txoj kab ncaj nraim, lub plawv yog pom raws li ib tug darkening ntawm ib tug homogeneous cim, uas muaj cov duab ntawm ib tug oval. Lub sab sauv ntawm lub plawv yog tsiv mus rau sab laug. Nruab nrab ntawm cov hlab ntsha thiab lub plawv yog grooves hu ua lub duav. Lub siab nyob hauv limbo. Nws lub duav thiab qhov chaw nyob ntawm qhov siab ntawm lub diaphragm. Tus duab ntxoov ntxoo hauv qab lub siab tsis txhais hais tias nws sib txuas nrog lub hauv siab.
Cov nkoj thiab cov chav tsim arcs hauv daim duab. Raws li txoj cai, yuav tsum muaj ob lub arcs ntawm sab xis, thiab plaub ntawm sab laug. Thawj koov pib los ntawm lub aorta. Qhov thib ob arc yog nyob ze ntawm txoj cai atrium. Lawv yog hais txog qhov loj me. Qhov thib peb thiab plaub arcs tsis yog ib txwm pom hauv daim duab.
Radial kuaj ntawm lub siab ua haujlwm
Hauv ib tus neeg nruab nrab uas tuaj yeem suav hais tias noj qab haus huv, lub plawv ua rau ib zaug ib pliag, uas yog, 60 zaug hauv ib feeb. Lub sijhawm no, nthwv dej ntawm kev zoo siab dhau los ntawm lub cev, uas yog, thaum xub thawj nws cog lus thiab tom qab ntawd so. Nyob rau hauv daim duab koj tuaj yeem pom seb lub plawv loj npaum li cas ntawm x-ray lossis tsis, txawm tias nws raug ntaus, txawm tias lub aorta thiab pulmonary artery nyob rau hauv kev txiav txim.
Radial diagnostics ntawm lub plawv pathologies
Cov kev hloov pauv pathological suav nrog kev hloov pauv loj, txoj haujlwm thiab kev ua haujlwm ua haujlwm. Koj tuaj yeem pom tias lub siab loj ntawm x-ray lossis tsis.
Lub ntim ntawm lub siab yog xam raws qee kab. Tab sis txoj kev no tsis yog qhov tseeb, txij li tus kws kho mob yuav ua yuam kev hauv kev suav. Qee lub sij hawm nws tshwm sim tias lub siab hloov mus rau sab xis. Qhov no tuaj yeem tshwm sim tom qab raug mob thiab mob,cuam tshuam nrog lub ntsws. Lub contractile muaj nuj nqi yog xam raws li ntau yam kev ntsuas. Nws tuaj yeem ua suab nrov, qhov tob, zaus thiab nrawm. Kev kuaj hluav taws xob tuaj yeem txheeb xyuas ntau yam kab mob plawv.
Ntawm no yog cov tseem ceeb:
- mob plawv ischemic. Nrog nws, muaj kev ua txhaum ntawm trophism thiab myocardial contractility, uas tshwm sim los ntawm kev txo qis hauv cov ntshav. Ntawm X-ray, koj tuaj yeem pom qhov deformation ntawm kab noj hniav ntawm sab laug ventricle, thrombosis ntawm aneurysm.
- Tsis zoo ntawm cov mitral thiab aortic li qub. Nyob rau hauv thawj hom, muaj ib tug nce nyob rau hauv sab laug atrium, hloov chaw ntawm lub bronchus thiab txoj hlab pas. Lub plawv tsis ua hauj lwm tshwm sim. Nyob rau hauv hom thib ob, ib tug complex txhais tau muab sau tseg. Nrog thawj qhov tsis xws luag ntawm lub aortic valve, nws yuav luag tsis pom nws. Tom qab sab laug ventricle yuav loj dua. Lub rounded sab saum toj txav mus rau sab kom accentuate lub duav. Lub aorta nthuav dav, thiab txoj cai atrium txav mus rau sab. Qhov no ua rau lub siab nce. Tom qab ntawd, pulmonary edema yuav tshwm sim.
- Qhov tsis zoo ntawm tricuspid valve. Hom kab no yog qhov ntau tshaj plaws. Nrog nws, muaj kev nce hauv txoj cai atrium thiab o ntawm qis arc ntawm lub plawv contour. Vim qhov tsis txaus ntawm tricuspid valve, kev hloov pauv hauv txoj cai chamber tshwm sim. Vim li no, circulatory stagnation tshwm sim.
- Kev tsis xws luag ntawm lub plawv ntawm x-rays tuaj yeem pom tus cwj pwm tsis zoo. Feem ntau lawv tau txiav txim siab thaum yau. Nrog lawv, tsuas yog x-rays feem ntau tsis txaus, tab sis muaj kev zam. Koj tuaj yeem pom qhov tsis xws luagsepta thiab qhib lub ductus arteriosus. Feem ntau nrog cov kab mob no, lub plawv muaj cov duab ntawm lub voj voog. Ob leeg atria thiab ventricle yuav loj tuaj.
- Pericarditis. Nyob rau hauv kab noj hniav ntawm lub plawv, koj tuaj yeem pom cov kua qaub. Nws tus duab ntxoov ntxoo loj dua. Lub plawv tuaj yeem coj ib qho duab trapezoidal. Vim lub zog squeezing ntawm cov kua, nws txo nyob rau hauv me me lub sij hawm thiab ua nyob rau hauv daim ntawv ntawm ib tug poob.
Contraindications rau x-rays
Txawm hais tias muaj cov txheej txheem niaj hnub xws li X-ray, muaj qee yam contraindications. Tsis muaj teeb meem yuav tsum tau ua rau cov poj niam cev xeeb tub, vim qhov no tuaj yeem ua rau pathologies lossis txawm tias nchuav menyuam. Yog tias ib tug neeg muaj mob ntev lossis mob hlwb, koj yuav tsum ceev faj. Koj yuav tsum tsis txhob ua x-ray yog tias muaj cov kab mob ntsws uas kis tau zoo, vim tias muaj teeb meem loj tuaj yeem tshwm sim. Tsis txhob ua ntau tshaj ib xyoos ib zaug, txwv tsis pub muaj hluav taws xob muaj zog tuaj yeem tau txais, uas yuav ua rau lub cev tsis zoo.
