Imaging in Head Trauma
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Science
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Joshua Lauder
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46 Slides • 6 Questions
1
Imaging in Head Trauma
Dr Joshua Lauder - Consultant Radiologist
Please complete this form https://forms.gle/pJDC9pQX6MXyXf2W6
2
Objectives
1. Appearances of traumatic brain injury
Learn how to scroll through a CT scan and manipulate the images
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Format
Quiz based presentation on Imaging in head trauma
2. Practical CT viewing - Post DICOM
3. Review of CT - Post DICOM
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27 y/o male
Alleged assault with baseball bat
Glasgow coma score 12/15
Eyes 3
Voice 4
Motor 5
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Multiple Choice
What is the initial imaging modality used in head trauma?
Head Ultrasound
Skull x-ray
CT with contrast
CT without contrast
MRI
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Head injury guidelines
GCS less than 13
GCS less than 15 two hours after injury
Suspected open/depressed fracture
Sign of basal skull fracture
Post traumatic seizure
Focal neurological deficit
More than one episode of vomiting
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Multiple Choice
Where is the haemorrhage?
Intra cerebral
Sub dural
Extra dural
Sub arachnoid
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Computed tomography
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R
L
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Multiplanar reformat
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Hounsfield units
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Windowing
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Brain window
Bone window
Scalp window
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Blood on CT
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Extradural haemorrhage
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Contrast
No contrast
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No contrast
Contrast
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Extradural haemorrhage
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Multiple Choice
How does the middle meningeal artery enter the skull?
Foramen ovale
Foramen rotundum
Carotid canal
Foramen spinosum
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Meningeal compartments
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Multiple Choice
What type of haemorrhage?
Subacute subdural
Acute subdural
Chronic subdural
Sub arachnoid
Intra cerebral
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Meningeal compartments
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20 year old
80 year old
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Aging subdural haemorrhage
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Aging subdurals
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Acute on Chronic
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Extra dural vs Sub dural
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Extra dural
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Sub dural
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Sub dural
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Extra dural vs Sub dural
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Multiple Choice
Where is the haemorrhage?
Extra dural
Sub dural
Sub arachnoid
Intra cerebral
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Meningeal compartments
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CSF spaces
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MRI shows fluid (T2 sequence)
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Subarachnoid haemorrhage
Normal comparison
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Multiple Choice
Where is the haemorrhage?
Extra dural
Sub dural
Sub arachnoid
Intra cerebral
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Meningeal compartments
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Direct impact - Coup
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Indirect injury - Contrecoup
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DAI
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MRI - microhaemorrhage in DAI
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Secondary effects of haemorrhage
Brain herniation
Hydrocephalus
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Brain herniation
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Hydrocephalus
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Normal
Hydrocephalus
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Imaging in Head Trauma
Dr Joshua Lauder - Consultant Radiologist
Please complete this form https://forms.gle/pJDC9pQX6MXyXf2W6
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