Qhov tseem ceeb, qhov kev xav siab rau cov txiaj ntsig ntawm cov ntshav hauv qhov txo qis ntawm txoj kab uas hla ntawm cov hlab ntsha, thiab yog li ntawd qhov txo qis ntawm cov hlab ntsha. Oncotic siab tseem zoo ib yam li nws tau ua ntej los ntshav (nco ntsoov, cov kua dej muaj pes tsawg leeg ntawm intravascular compartment tsis hloov pauv).
Lub plawv teb rau hemorrhaging yog dab tsi?
Hemorrhage thiab raug mob elicit cov lus teb sib txawv. Cov lus teb rau hemorrhage yog biphasic, suav nrog tachycardia thaum ntxov thaum ntshav siab tau tswj hwm los ntawm kev rov qab bradycardia thiab hypotension. Kev raug mob, los ntawm qhov sib txawv, ua rau tachycardia thiab nce ntshav siab.
Lub sij hawm luv luv teb rau hemorrhage yog dab tsi?
Cov lus teb luv luv rau hemorrhaging: Kev poob qis hauv cov ntshav capillary ua rau rov qab cov kua dej los ntawm qhov chaw sib cuam tshuam. Aldosterone thiab ADH txhawb nqa cov dej khaws cia thiab rov nqus dej ntawm lub raum, tiv thaiv kev txo qis hauv cov ntshav ntxiv.
Cov kab mob capillaries twg muaj cov kab tiav?
Capillaries uas muaj cov kab ua tiav hu ua: -sinusoids.
Yuav ua li cas rau tag nrho peripheral tsis kam thaum hemorrhage?
A qhov tseem ceeb hauv lub plawv dhia thiab tag nrho cov kab mob peripheral tau tsim tom qab 1 min ntawm hemorrhage hauv 20% ntshav poob thaum lub caij nplooj zeeg tag nrho peripheral tsis kam thiab tsis muaj zog hauv plawv. raug tsim tawmtom qab 35% ntshav poob.
