BRAIN INJURIES IN CT
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Transcript of BRAIN INJURIES IN CT
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BRAIN INJURIES IN CT PRESENTED BY:RAKESH VALLITTAYIL
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BRAIN INJURYANY INJURY OCCURING IN BRAIN OF A LIVING ORGANISM BRAIN DAMAGE- DISTRUCTION OR DEGENERATION OF BRAIN CELLS. TRAUMATIC BRAIN INJURY – DAMAGE OCCURES WHEN OUT SIDE FORCE TRAUMATICALLY INJURES THE BRAIN. STROKE – VASCULAR EVENT WHEN CAUSING DAMAGE TO BRAIN. AQUIRED BRAIN INJURY – DAMGE AFTER BIRTH EITHER TRAUMATIC OR NOT TRAUMATIC OR DUE TO OUT SIDE OR INSIDE
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SKULL FRACTURE
A skull fracture is a break in one or more of the eight bones that form the cranial portion of the SKULL.
TYPES Linear Depressed Diastatic Basilar
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LINEAR FRACTURES BREAK IN BONE THAT
TRAVERSE FULL THICKNESS OF BONE THE SKULL FROM OUTER TO INNER SHELL
MOST common USUALLY REQUIRES NO
INTERVENTIONS BLUNT FORCE TRAUMA
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DEPRESSED SKULL FRACTURE
WHEN THE BROCKEN PORTION DISPLACED INWARD
DUE TO BLUNT FORCE TRAUMA
HIGH RISK DUE TO PRESSURE ON THE
BRAIN OR HEMORRHAGE.
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DIASTIC FRACTURE
WHEN THE FRACTURE LINE TRANSVERES ONE OR MORE SUTURES OF THE SKULL CAUSING WIDENING OF SUTURE.USUALLY SEEN IN CHILDREN
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BASILAR FRACTURE
LINEAR FRACTURES OCCURE IN SKULL BASE INCLUDING SPHENOID ETHMOID TEMPORAL AND OCCIPITAL BONE.
VERY RARE TYPE OF FRACTURE
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INTRACRANIAL HEMORRHAGEINTRA AXIAL HEMORRHAGE (INSIDE THE BRAIN TISSUE)
INTRA CEREBRAL HEMMORRHAGE (ICH)CEREBRAL CONTUSION
EXTRA AXIAL HEMORRHAGE (OUT SIDE THE BRAIN TISSUE)
EXTRADURAL HEMMORRHAGE (EDH)SUBDURAL HEMMORRHAGE (SDH)SUBARACHANOID HEMMORRHAGE (SAH)INTRAVENTRICULAR HEMMORRHAGE (IVH)
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INTRA CEREBRAL HEMMORRHAGE (ICH)OVAL OR ROUND SHAPED SINGLE OR MULTIPLECOMMON LOCATION IS BASAL GANGLIAIT MAY EXTEND TO VENTRICLES.CAN BE DUE TO HYPERTANSION,TRAUMA,ANEURISM AND AVM.IT CAN CAUSE MASS EFFECT
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CEREBRAL CONTUSIONS BRUISE OF THE BRAIN
TISSUE SMALL –DANGEROUS
BECAUSE IT WILL CAUSE AXION DAMAGE. LARGE-LESS DANGEROUS.
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MENINGES THE MEMBRAINS THAT ENVELOP THE BRAIN.
1. DURA MATER – OUTER 2. ARACHANOID MATER –MIDDLE
3. PIA MATER- INNER
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EXTRADURAL OR EPI DURAL HEMORRHAGE (EDH)BETWEEN INNER SURFACE OF THE SKULL AND OUTER LAYER OF DURA.ASSOCIATED WITH FRACTUREARTERIAL BLOODBICONVEX IN SHAPE
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SUBDURAL HEMATOMABETWEEN DURA MATTER AND THE BRAIN RESULTING IN TEARING OF VENOUS BRIDGEVENOUS BLOODCRESCENT SHAPEDACUTE SDH: DUE TO TRAUMA MOST LETHALCHRONIC SDH:OVER A PERIOD OF TIMEPROGNOSIS -GOOD
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EDH VS SDH
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SUB ARACHANOID HEMORRHAGE (SAH)
BLEEDING INTO SUB ARACHANOID SPACEFROM CEREBRAL ANEURISM OR INJURY
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INTRAVENTRICULAR HEMORRHAGE (IVH)
BLEEDING INTO VENTRICULAR SYSTEMDUE TO TRAUMA OR STROKECOMMON IN PREMATURE INFANTSIT WILL INCREASE THE INTRACRANIAL
PRESSURE WHICH CAN RESULT IN FATAL BRAIN HERNIATION
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