Dab tsi yog qhov txhais tau tias arterial siab?
Dab tsi yog qhov txhais tau tias arterial siab?

Video: Dab tsi yog qhov txhais tau tias arterial siab?

Video: Dab tsi yog qhov txhais tau tias arterial siab?
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Txhais tau tias arterial siab yog qhov tseem ceeb vim nws ntsuas qhov siab tsim nyog rau kev tsim nyog txaus ntawm cov kabmob hauv lub cev. Nws yog ib qho tseem ceeb kom muaj MAP tsawg kawg yog 60 mmHg kom txaus ntshav mus rau kab mob plawv cov hlab ntsha , lub raum, thiab lub hlwb. Cov li qub MAP ntau yog nruab nrab ntawm 70 thiab 100 mmHg.

Yog li ntawd, dab tsi yog qhov tsawg txhais tau tias arterial siab?

Hypotension yog txhais raws li physiologically qis BP ( txhais tau tias arterial siab tsawg dua 65 mm Hg). A txhais tau tias arterial BP tsawg dua 60 mm Hg tuaj yeem ua rau cov ntaub so ntswg tsis txaus perfusion thiab xa oxygen. Lub coronary cov hlab ntsha yog perfused thaum diastole.

Ib tus kuj tseem yuav nug tau, qhov sib txawv ntawm qhov siab li cas thiab txhais li cas yog cov hlab ntshav siab? Pulse siab (PP), txhais raws li tus qhov sib txawv ntawm ntshav systolic siab (SBP) thiab ntshav diastolic siab (DBP), yog ib feem ntawm cov ntshav pulsatile siab ( BP ) nkhaus as opposed to txhais tau tias ntshav siab (MAP), uas yog cov khoom ruaj khov.

Kuj paub, qhov siab txhais tau tias arterial siab txhais li cas?

A siab MAP yog dab tsi tshaj 100 mmHg, uas qhia tau hais tias muaj ntau siab hauv cov hlab ntsha . Qhov no thaum kawg tuaj yeem ua rau ntshav txhaws lossis puas rau lub plawv cov leeg, uas yuav tsum ua haujlwm hnyav dua. Ntau yam uas ua rau mob heev ntshav siab kuj tuaj yeem ua rau a siab MAP, suav nrog: plawv nres. raum tsis ua haujlwm.

Vim li cas qhov kev ntsuas ntshav siab tseem ceeb?

Txhais tau tias arterial siab yog qhov tseem ceeb vim nws ntsuas qhov siab tsim nyog rau perfusion txaus ntawm lub cev. Nws yog ib qho tseem ceeb kom muaj MAP tsawg kawg yog 60 mmHg kom txaus ntshav mus rau kab mob plawv cov hlab ntsha , lub raum, thiab lub hlwb. Qhov nruab nrab ntawm MAP yog nyob nruab nrab ntawm 70 thiab 100 mmHg.

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