![Svri yog dab tsi? Svri yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14029917-what-is-svri-j.webp)
Video: Svri yog dab tsi?
![Video: Svri yog dab tsi? Video: Svri yog dab tsi?](https://i.ytimg.com/vi/0gvPNWyP_Bo/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub ntsiab lus physiological ntawm SVRI yog ntawm phab ntsa ntawm sab laug ventricle thaum ejection. Ua raws li Laplace txoj cai, kev nruj nruj ntawm cov leeg nqaij hauv lub plawv phab ntsa yog cov khoom lag luam ntawm lub siab nyob hauv lub ventricle thiab lub ventricle lub vojvoog, faib los ntawm cov phab ntsa tuab.
Thiaj li, Svri ib txwm yog dab tsi?
Li qub SVR yog 700 txog 1, 500 dynes/seconds/cm-5. Yog tias tus neeg mob MAP yog 68 mmHg, nws CVP yog 12 mmHg, thiab nws lub plawv tawm los yog 4.3 L/feeb, nws SVR yuav yog 1,042 dynes/sec/cm-5. Cov xwm txheej uas tuaj yeem nce SVR suav nrog1, 2: Hypothermia.
Ib yam li ntawd, Svri suav li cas? Qhov tseeb qauv yog: SVRI = SVR X lub cev thaj tsam (BSA), raws li Grossman tham. 'Nws pom tias ntau tus kws kho mob hloov pauv SVR los ntawm BSA, hauv kev zam zoo ib yam rau txoj kev mob plawv (CO) tau ua haujlwm ib txwm kom ua rau lub plawv ntsuas (CI).
Ua ke, dab tsi yog qhov system vascular tsis kam ntsuas?
Tom qab - Kev Ntsuas Kab Mob Ntshav Qab Zib (SVRI) Qhov siab dua tom qab, qhov tsawg dua lub plawv tso zis. Qhov qis dua tom qab, siab dua lub plawv tso tawm.
SVR siab qhia dab tsi?
Systemic Vascular Resistance ( SVR ): Kev ntsuas kev tiv thaiv lossis cuam tshuam ntawm cov kab mob hauv lub cev kom ntshav ntws. Ib qho nce SVR tau yuav tshwm sim los ntawm vasoconstrictors, hypovolemia, lossis poob qis septic poob qis. Ib tug txo SVR tau tshwm sim los ntawm thaum ntxov septic shock, vasodilators, morphine, nitrates, los yog hypercarbia.
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