Vim li cas Vasoconstriction tshwm sim?

Zoo Siab

• Puas yog vasoconstriction qub?
• Vasoconstriction thiab ntshav siab
• Cov khoom noj ua rau lub vasoconstriction
• Vasoconstriction hauv migraines thiab mob taub hau
• Thaum vasoconstriction pab mob taub hau
• Thaum vasoconstriction tuaj yeem ua rau mob taub hau
• Vasoconstriction hauv kev poob siab
• Cov tshuaj uas ua rau vasoconstriction
• Tsis tshua muaj mob loj thiab muaj mob nrog vasoconstriction
• Mob stroke
• Raynaud's qhov tshwm sim
• Thim rov qab cerebral vasoconstriction syndrome
• Yuav ua li cas vasoconstriction tshwm sim
• Vasoconstriction hauv koj lub neej

Puas yog vasoconstriction qub?

"Vaso" yeej txhais tau tias cov hlab ntshav. Vasoconstriction yog nqaim los yog sib xyaw ntawm cov hlab ntshav. Nws tshwm sim thaum cov nqaij ntshiv hauv cov hlab ntsha ntsaws nrawm. Qhov no ua rau cov hlab ntshav qhib me dua. Vasoconstriction kuj tseem tuaj yeem hu ua vasospasm.

Vasoconstriction yog ib qho kev coj ua. Nws pab kom koj lub cev nyob hauv kev noj qab nyob zoo.

Vasoconstriction kuj yuav tshwm sim rau:

• ruaj khov ntshav lossis nce ntshav siab
• txo cov khoom siv txo lub cev hauv lub sijhawm txias
• tswj xyuas seb cov ntshav faib tawm thoob plaws koj lub cev li cas
• xa cov khoom noj khoom haus ntau thiab oxygen mus rau cov nruab nrog cev uas xav tau lawv
• tiv thaiv koj lub cev tiv thaiv cov ntshav thiab kua dej hauv lub cev

Ntawm qhov kev tes, vasoconstriction tsis txaus ntseeg tuaj yeem ua rau qee yam mob. Qhov no suav nrog ntshav siab thiab mob taub hau. Qee qhov xwm txheej, cov ntshav nqaim ntau dhau yuav muaj kev phiv tshuaj thiab zaub mov, xws li caffeine thiab ntsev.

Nyeem rau kom paub txog cov ua kom muaj vasoconstriction thiab seb nws cuam tshuam rau koj lub cev.

Vasoconstriction thiab ntshav siab

Vasoconstriction txo lub ntim lossis thaj chaw sab hauv cuam tshuam txog cov hlab ntsha. Thaum cov hlab ntsha ntim qis qis, cov ntshav ntws kuj txo. Nyob rau tib lub sijhawm, qhov kev tawm tsam lossis kev quab yuam ntawm cov ntshav ntws tau tsa. Qhov no ua rau muaj ntshav siab. Yog tsis kho ntshav siab (ntshav siab) tuaj yeem ua rau muaj kev noj qab haus huv lub sijhawm, zoo li tsis pom kev, mob stroke, lossis mob plawv.

Qhov rov qab ntawm vasoconstriction yog vasodilation. Qhov no yog thaum cov hlab ntsha so thiab nthuav dav, ua kom cov ntshav txaus thiab txo cov ntshav siab.

Xav txog vasoconstriction li haus los ntawm ib cov quav cab nyias. Nws yuav siv ntau zog xuas mus rau sip. Hauv kev sib piv, vasodilation zoo li gulping haus yooj yim thiab sai sai los ntawm kev sib tw dav.

Vasoconstriction txawv txav yuav ua rau lossis ua rau cov ntshav siab dua. Mob ntshav siab ntev yuav ua rau koj muaj feem mob plawv thiab mob ntshav siab. Qee qhov mob thiab tshuaj noj tuaj yeem ua rau vasoconstriction ntau dhau lossis ua rau nws tshwm sim hauv thaj chaw uas nws tsis tsim nyog, xws li seem ntawm lub hlwb.

Cov khoom noj ua rau lub vasoconstriction

Cov khoom noj muaj ntsev hauv sodium tuaj yeem tso kev ntxhov siab rau ntawm koj cov hlab ntshav, ua rau lawv muaj kev cuam tshuam. Yog tias koj muaj kev txhawj xeeb txog koj cov ntshav siab, zam lossis txwv cov zaub mov hauv qab no:

• cov ntim khoom noj thiab cov khoom noj nrawm
• deli nqaij
• nyob kas poom kua zaub

Cawv tseem tuaj yeem tsa koj cov ntshav siab, sau ntawv hauv Mayo Clinic.

Noj 13 cov zaub mov no kom txo koj cov ntshav siab.

Vasoconstriction hauv migraines thiab mob taub hau

Vasoconstriction ob leeg tuaj yeem pab daws txiaj ntsig thiab ua rau mob taub hau thiab mob taub hau.

Thaum vasoconstriction pab mob taub hau

Tshaj tawm cov hlab ntsha hauv lub taub hau tuaj yeem tshem tawm mob taub hau lossis mob taub hau. Cov tshuaj siv los kho hom mob no feem ntau ua haujlwm los ntawm kev ua rau vasoconstriction. Qhov no pab ua kom cov hlab ntsha txwv thiab txwv tsis txhob muaj ntshav khiav dhau.

Qee cov tshuaj mob taub hau thiab mob taub hau muaj cov caffeine vim li no.

Thaum vasoconstriction tuaj yeem ua rau mob taub hau

Ntawm qhov tod tes, kev haus dej haus muaj caffeine ntau dhau ua rau lub vasoconstriction hauv lub hlwb ntau dhau. Qhov no yuav ua rau mob tob hau lossis mob taub hau. Lub koom haum American Migraine piav qhia tias qhov no yuav tshwm sim vim tias lub cev dhau los ua cov caffeine. Ntsoos ntsoos mob tshwm sim los ntawm kas fes thiab mob taub hau muaj xws li mob taub hau, xeev siab, thiab qaug zog.

Vasoconstriction hauv kev poob siab

Kev poob siab yog ib lo lus siv dav dav rau lub cev qhov lus teb rau ntau yam xwm txheej ceev. Cov xwm txheej no txhua tus ua rau cov ntshav qis. Lub cev ua teb thawj zaug yog tiv thaiv lub hlwb, lub siab, thiab lub ntsws. Nws ua qhov no los ntawm kev txo cov hlab ntsha hauv txhais tes, ko taw, thiab nqua.

Vasoconstriction xwm ceev no nce ntshav nce qib ib ntus. Nws pab ua kom ntshav khiav mus rau koj cov plab hnyuv siab raum - cov kabmob uas xav tau rau lub neej.

Poob siab yuav tshwm sim vim:

• kev tsis haum (kev tsis haum lub zog)
• septic kab mob (kab mob, kis, lossis fungal)
• plawv nres
• kab mob plawv
• cov piam thaj hauv ntshav tsawg
• ntshav txhaws
• poob ntshav hnyav (sab hauv lossis sab nraud)
• poob kua dej ntau (ua kom lub cev qhuav dej, ntuav, raws plab)
• mob hnyav
• txha raug mob qaum
• mob hypothyroidism hnyav

Cov tshuaj uas ua rau vasoconstriction

Cov tshuaj Vasoconstrictor lossis tshuaj maj mam pab txo cov ntshav siab thiab lwm cov tsos mob. Cov tshuaj no yuav raug coj los ua kom ntshav nce siab thaum ib tug neeg poob siab, ntshav ntau dhau, lossis muaj kev tsis haum tshuaj hnyav.

Lwm cov tshuaj siv tshuaj ua rau vasoconstriction los pab txo qhov o, o, los ntshav ntau heev. Piv txwv li, lub ntswg ntswg yuav tsum nres nrog vasoconstrictor tshuaj.

Cov tshuaj Vasoconstriction muaj xws li:

• alpha-adrenoceptor agonists
• vasopressin analogs
• epinephrine
• norepinephrine
• phenylephrine (Sudafed PE)
• dopamine
• dobutamine
• tshuaj mob taub hau thiab mob taub hau (serotonin 5 ‐ hydroxytryptamine agonists lossis triptans)

Tsis tshua muaj mob loj thiab muaj mob nrog vasoconstriction

Qee qhov mob thiab cov tshuaj ua rau lub vasoconstriction tsis meej. Qhov no tuaj yeem ua teeb meem kev noj qab haus huv nyob ntawm seb qhov no tshwm sim thiab ntev npaum li cas.

Mob stroke

Vasoconstriction hauv lub hlwb lossis cerebral vasospasm tuaj yeem ua rau mob stroke lossis strokelike raug mob. Qhov no tuaj yeem tshwm sim tom qab muaj ntshav tawm hauv lub hlwb vim muaj hlab ntaws lossis phais. Cov hlab ntshav txhaws lossis txhav txhawm rau sim ua kom txuag ntshav. Qhov no ua rau qhov txiav tawm cov ntshav thiab pa oxygen mus rau ib qho ntawm lub paj hlwb.

Cov tsos mob ntawm lub hlwb txhaws hlwb hlab ntsha muaj xws li:

• mob taub hau hnyav
• kiv taub hau, ploj hauv kev tshuav
• loog lossis tsis muaj zog ntawm ib sab ntsej muag thiab lub cev
• hais nyuaj
• nyuaj rau pom nyob rau hauv ib lossis ob lub qhov muag
• taug kev nyuaj

Nyeem ntxiv ntawm yuav ua li cas rau cov cim ntawm qhov mob hlab ntsha tawg thiab paub txog cov cim ntawm tus mob stroke tshwj xeeb rau cov poj niam.

Raynaud's qhov tshwm sim

Raynaud qhov tshwm sim ua rau qee qhov chaw ntawm lub cev, xws li ntiv tes thiab ntiv taw, hnov ​​txias txias lossis loog. Hauv cov xwm txheej no, cov hlab ntsha me uas xa cov ntshav mus rau cov chaw no spasm lossis nqaim. Qhov no txwv cov ntshav ntau npaum li cas tuaj yeem ncav cuag cov chaw sab nraud.

Cov teeb meem Raynaud tuaj yeem cuam tshuam qhov ntswg, daim di ncauj, pob ntseg, thiab txiv mis. Nws tuaj yeem yog qhov dhau lub caij txias. Qhov no yuav tshwm sim rau cov neeg uas ua haujlwm sab nraud nyob hauv thaj chaw txias dua lossis siv sijhawm ntau rau kev dej khov nab kuab, xws li cov khau dej khov, cov neeg ntaus pob hockey, thiab cov tsav tsheb Zamboni.

Tus mob no tsis muaj teeb meem, tab sis nws tuaj yeem tsis xis nyob. Qee qhov xwm txheej, Raynaud qhov tshwm sim tuaj yeem ua rau muaj kev pheej hmoo ntawm daim tawv nqaij thiab maj mam zoo mob ntawm thaj chaw cuam tshuam. Qhov no tshwm sim vim tias cov ntshav khiav yuav tsum muaj los mus nqa oxygen, as-ham, thiab cov kab mob sib kis hauv lub cev. Vasoconstriction txwv txoj kev ntshav ncig.

Thim rov qab cerebral vasoconstriction syndrome

Reversible cerebral vasoconstriction syndrome (RCVS) yog ntau yam kev cuam tshuam los ntawm vasoconstriction hauv lub hlwb. Nws yog thim rov qab feem ntau. Koj yuav tau zoo nyob rau txhua lub hlis.

Hauv cov teeb meem loj, RCVS tuaj yeem ua rau mob stroke. Qhov no tshwm sim thaum cov hlab ntsha nqaim ntau dhau los ntev lossis txiav ntev thiab txiav tawm kev ntshav thiab pa oxygen rau qee qhov ntawm lub paj hlwb.

Tej zaum RCVS tuaj yeem tshwm sim hauv cov menyuam yaus. Nws tuaj yeem ua rau muaj ntshav siab, mob taub hau, thiab mob stroke. Nws yuav yog qhov tshwm sim los ntawm cov kev mob tshwm sim ntawm cov tshuaj. Cov no suav nrog tshuaj kho mob rau mob qog nqaij hlav qhov muag thiab mob hlwb hauv menyuam yaus thiab menyuam yaus.

Cov tsos mob ntawm RCVS suav nrog:

• dheev, mob taub hau heev
• kev hloov pauv ntawm lub zeem muag
• qaug dab peg
• hais nyuaj
• tsis nkag siab kev hais lus
• tsis muaj zog, feem ntau yog ntawm ib sab ntawm lub cev

Yuav ua li cas vasoconstriction tshwm sim

Cov leeg du - hom leeg nyob hauv cov hlab ntsa - tsis tuaj yeem tswj tau zoo ib yam li cov leeg pob txha hauv koj nqua. Cov hlab ntshav yog cia li tswj los ntawm cov cim taw qhia hauv lub cev uas qhia cov leeg nqaij du los txhaws lossis nthuav tawm (dav).

Txoj hlab xa tshuaj thiab cov tshuaj hormones qhia cov hlab ntsha kom nruj xws li:

• norepinephrine
• epinephrine
• angiotensin II
• vasopressin

Cov hlab ntsha thiab leeg ntshav (txoj hlab ntsha me) muaj cov leeg ua leeg. Lawv yog cov roj ntsha tseem ceeb koom nrog vasoconstriction. Cov leeg ntshav kuj tseem tuaj yeem nqaim. Capillaries yog cov ntshav me me, nyias-phab ntsa uas tsis tuaj yeem txwv.

Vasoconstriction hauv koj lub neej

Vasoconstriction ntawm cov hlab ntshav yog ib feem ntuj ntawm koj lub cev sib npaug nws cov haujlwm. Vasoconstriction xav tau los pab tswj kev ntshav khiav kom zoo thiab ua kom koj lub cev kub tsis txias. Nws kuj tseem tuaj yeem tsa cov ntshav siab thaum nws tsim nyog.

Qee yam tshuaj ua ntsuas qog koj lub cev lub cim ua rau lub vasoconstriction. Qhov no tuaj yeem cawm tau txoj sia. Piv txwv li, vasoconstriction tshuaj muaj peev xwm txwv cov ntshav siab los ntawm poob qis dhau heev thaum muaj kev fab tshuaj tsis haum thiab txo cov ntshav poob thaum raug mob.

Tham nrog kws kho mob yog tias koj muaj lus nug txog koj cov ntshav siab, lub plawv dhia, lossis lwm yam mob xws li mob taub hau.