Puas sib piv mri nyab xeeb?

Cov txheej txheem:

Puas sib piv mri nyab xeeb?
Puas sib piv mri nyab xeeb?
Anonim

Magnetic resonance imaging (MRI) yog ib qho tseem ceeb imaging txheej txheem tsim nyog rau kev kuaj kab mob thiab kev kho mob. Kev siv gadolinium-based contrast agents (GBCAs) rau kev txhim kho MRI yog qhov muaj txiaj ntsig zoo hauv qee qhov xwm txheej thiab tau suav tias muaj kev nyab xeeb hauv feem ntau.

Puas MRI qhov sib piv tsis zoo rau koj?

Hom kev sib txawv ntawm cov xim uas siv hauv MRI scan yog txawv rau lwm qhov kev kuaj x-ray. Hauv MRI, qhov sib piv siv tau muaj cov khoom tshwm sim ib txwm muaj hu ua Gadolinium, uas feem ntau txuas nrog rau lwm cov tebchaw kom nws tuaj yeem siv rau hauv tib neeg lub cev yam tsis ua rau muaj kev phom sij.

Cov teebmeem ntawm MRI qhov sib txawv yog dab tsi?

Iodine-based Contrast Materials

  • xeev siab thiab ntuav.
  • mob taub hau.
  • khaw.
  • flushing.
  • daim tawv nqaij pob khaus lossis khaus khaus.

Ntev npaum li cas MRI qhov sib piv nyob hauv koj lub cev?

Nrog rau lub raum ua haujlwm, feem ntau ntawm gadolinium raug tshem tawm ntawm koj lub cev hauv cov zis hauv 24 teev.

Puas MRI nrog qhov sib piv zoo dua li tsis muaj?

MRI nrog qhov sib txawv yog zoo tshaj ntawm kev ntsuas thiab ntsuas qog. Kev sib piv pab tshawb pom txawm tias cov qog me me tshaj plaws, muab tus kws phais kom meej meej txog qhov chaw thiab qhov loj ntawm cov qog thiab lwm cov ntaub so ntswg koom nrog. Cov duab MRI nrog qhov sib txawv yog qhov pom tseeb thiab zoo dua li cov duab uas tsis muaj qhov sib piv.

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.