正版保障 假一赔十 可开发票
¥ 61.6 4.4折 ¥ 140 全新
库存5件
作者[美]Novelline
出版社世界图书出版有限公司
ISBN9787506265270
出版时间2005-01
装帧平装
开本16开
定价140元
货号595526
上书时间2024-10-25
Key Facts·Head trauma is a major factor in death/dlsabllIty in multiple trauma
patients·Skull films are not enough if trauma mechanism is sufficient F0r j nlurv·113 of patients with severe brain injury dont have fracture·Fractures can be linear,depressed.diastatic·Skull base fractures can damage blood vessels,dura,and cranial
nerves·Sequelae include pneumoc印haIus,CSF leak,nerve palsy,strokeImaging FindingsGeneral Findings·Linear fracture
o Sharply delineated Iucent Iine:does not branch
0 Overlying soft tissue swelling almost always present·Depressed fracture
0 Fragment(s)displaced inwards·Diastatic fracture
O Sutu res spread:may have eo—existing Iinear fractu re
o CraniaI“burst fracture”
- Unique in infants:diastases widened>4mm
- Brain hemiates through fracture:extrudes under sca JP·Skull base(temporal bone)fracture—Iongitudinal or transverse
0 LongitudinaI accompanied bv conductive hea ring lOSS
·0ssiCUlar diastasis or tear Of tvmDanlc membrane
O 3-ransverse accompanied by sensory—neuraI hearing lOSS
- Inju ry to cochlea or 7th/Bth nerve con3plex[mao..,i.n,..a......R....e...c...o....m.men....d...a....t..i..o..—n—s·Non—enhanced CT(NECT)if patient has sufficient trauma mechanism
and dinicaI findinqs
0 Glasgow coma scale(GCS)<14;loss of consclousness’30
seconds at scene.Axial images may miss linear fractures in the plane of the image
Check skulI on CT scout image for obvious linear fractures
- 10%of patients with GCS=15+IOSS of consciousness or
amnesia have abnormalities on CT scan
· 5%of patients with GCS=15+normal neurological exam
have significant intracraniaI injury revealed on C1·Use both bone,soft tissue algorithms·View/film usIng 3 window settIngs
o Soft tissue(1evel=40H,window一75—100H)
Bone flevel=500H,window=3,000H)
Intermedlate(1evel=75H,window=150—200H)for small subdural
hematomas(SDHs)
· May have to Iower window in anemic patients·EvaIuate for vascuIar i n]Ury if carotid canaI involvedDifferentiaI DiagnosisSul
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