![PVR hauv kab mob plawv yog dab tsi? PVR hauv kab mob plawv yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13848851-what-is-pvr-in-cardiology-j.webp)
Video: PVR hauv kab mob plawv yog dab tsi?
![Video: PVR hauv kab mob plawv yog dab tsi? Video: PVR hauv kab mob plawv yog dab tsi?](https://i.ytimg.com/vi/kXNxHs3E3Y4/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
SJH Cardiology . PVR (Pulse VolumeRecording) Dab tsi yog PVR thiab vim li cas kuv thiaj muaj nws? A PVR , tseem hu ua plethysmography yog, cov cuab yeej siv tsis txheeb xyuas qhov ntsuas ntshav ntws hauv cov hlab ntsha, feem ntau, tab sis tsis txwv rau, ob txhais ceg txhawm rau txheeb xyuas qhov nqaim orobstruction hauv lub nkoj.
Ib sab ntawm no, PVR kev kuaj mob yog dab tsi?
A PVR kev tshawb nrhiav yog ib qho tsis muaj vascular vascular xeem qhov twg ntshav lub ntsej muag siab thiab siv lub tshuab ntsuas tes (hu ua Doppler lossis transducer) tau siv los nrhiav cov ntaub ntawv hais txog cov hlab ntsha ntshav ntws hauv caj npab thiab ob txhais ceg.
Kuj Paub, dab tsi ua rau nce PVR? Lwm yam ua suav nrog kev pw tsaug zog apnea, kab mob hauv lub plawv, mob hypoxemia ntev, mob ntsws ntsws (ntshav khov), lossis sab laug lub ntsws tsis ua haujlwm. Hemodynamically, PAHcan yog ua los ntawm nce txoj cai ventricular tso zis, nce pulmonary systemic vascular tsis kam, lossis nce pulmonary venous siab.
Hauv qhov no, PVR hauv ntshav siab yog dab tsi?
Ntshav siab yog txiav txim siab los ntawm cardiacoutput (CO) thiab cov hlab ntshav sab hauv tsis kam ( PVR ). Cardiac tso zis yog tus nqi ntawm ntshav ejected los ntawm leftventricle nyob rau hauv ib feeb. Vascular peripheral tsis kam yog qhov muaj nyob hauv cov hlab ntsha peripheral thiab cov hlab ntsha txiav txim siab los ntawm lub nkoj loj.
PVR thiab SVR yog dab tsi?
Vascular kuj. Qhov tsis kam muab los ntawm cov txheej txheem kev noj qab haus huv yog lub npe hu ua kev tiv thaiv kab mob vascular ( SVR ) lossis qee zaum qee zaum yuav raug hu los ntawm cov laus laus tag nrho cov kev tiv thaiv kab mob tiv thaiv kab mob (TPR), thaum qhov kev tawm tsam los ntawm cov pa hauv lub ntsws yog hu ua pulmonaryvascular resistance ( PVR ).
Pom zoo:
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