smacc 2014 presentation

Who am I?

EmergencyMedicineIreland.com

Come and work •Ultrasound/imaging•Education•Trauma

neuroanatomy for the critically illIm

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SubFalcineTransTentorialTonsillar

1

2

3

Image Credit: Wikipedia


1. SubFalcine Herniation


Middle Cerebral Artery

Anterior Cerebral Artery

Posterior Cerebral Artery


2. TransTentorial Herniation


Oculomotor Nv

Descending Motor Tracts

2. TransTentorial Herniation


Med

ulla

Pons

Chiari Malformatio

Tonsillar HerniationConing

3. Tonsillar Herniation


Hyd

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The only way in and out of the ventricular system is through the 4thMedian

Aperture

Lat Aperture


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BLOOD

Sup Sag Sinus

Arachnoid Granulation

Why the hydrocephalus?


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EDH v SDH










spine


Three Columns in Spinal Injury

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Anterior Middle Posterior

http://radiopaedia.org/cases/three-column-concept-of-the-spine









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Flexion TearDrop Fracture

2 Column Injury


vascular supply


Imag

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adsw

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47 year old male•low speed RTA 2 days ago•no injuries of note apart from mild neck pain•now dramatic neck pain and bilateral neuro signs

Vertebral Artery Dissection

http://radiopaedia.org/radswikinet-1

http://radiopaedia.org/radswikinet-1

EmergencyMedicineIreland.comradiopaedia.org

CC License

EmergencyMedicineIreland.comAtlas (C1 Vertebra)

Vertebral Artery


Intra-Cranial

Extra-Cranial


Elastica Externa

Sub Arachnoid Space


things you read on CT reports but don’t know

what they mean...


Radiology Report: J Bloggs

There is a large acute SDH and

the basal cisterns are effaced.

Clinical correlation advised...

Happy to discuss... when not browsing BMW magazines...


Radiology Report: J Bloggs

There is an area of hyperattenuation

in the region of the basal ganglia. It

extends into the internal capsule. The

basal cisterns are patent.

Imag

e C

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ank

Gai

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http://radiopaedia.org/cases/basal-ganglia-haemorrhage-ct





Motor Cortex

Nerve Root

Posterior Limb

Anterior Limb

The Internal Capsule


Striate Arteries


Resources

smacc 2014 presentation

Health & Medicine