Venography (tseem hu ua phlebography lossis ascending phlebography) yog ib txoj hauv kev uas x-ray ntawm cov leeg, ib qho venogram, tau noj tom qab tshuaj zas tshwj xeeb yog txhaj rau hauv tus pob txha pob txha los yog leeg. Cov zas xim yuav tsum tau txhaj tas li ntawm lub catheter, ua rau nws muaj kev cuam tshuam.
Koj ua venogram li cas?
Npaj rau venogram
- Nqa koj daim ntawv xa mus lossis daim ntawv thov thiab tag nrho cov x-rays uas tau coj 2 xyoo dhau los nrog koj.
- Tso x-ray nrog cov neeg ua haujlwm radiology raws li kws kho mob yuav tsum tau saib lawv. …
- Hnav khaub ncaws xoob xoob.
- Tawm tag nrho cov hniav nyiaj hniav kub thiab khoom muaj nqis nyob hauv tsev.
CT venography ua tau li cas?
Technique
- tus neeg mob txoj haujlwm. supine nrog lawv txhais tes ntawm lawv ib sab.
- scout. CT to the vertex.
- scan ntau. CT to the vertex.
- scan taw qhia. caudocranial.
- kev txiav txim siab txhaj tshuaj sib txawv. txhaj tshuaj. 75-100 ml ntawm non-ionic iodinated contrast.
- scan ncua. 45 vib nas this (saib cov ntsiab lus siv tau)
- ua pa theem. raug tshem tawm.
Yuav siv sijhawm ntev npaum li cas thiaj ua tau venogram?
A venogram siv sijhawm nruab nrab ntawm 30 thiab 90 feeb ua. Cov kua dej yuav khiav los ntawm koj IV kom tshem tawm cov khoom sib txawv ntawm koj cov leeg. Koj tseem yuav raug qhia kom haus dej ntau rau hnub tom ntej.
CTV ua li cas?
Direct CTV
Thawj, tus ncej puab-siab compression stocking yog muab tso rau ntawm tus ncej puab, thiab ib rab koob 21-gauge yog muab tso rau hauv ib qho hlab ntsha hauv ko taw. Tom qab ntawd, 100 mL ntawm iodinated contrast yog txhaj ntawm 3 mL / thib ob nrog 30-mL saline chaser, thiab scans tau txais los ntawm nruab nrab calf mus rau diaphragm.