Head injury Causes

Head injury Causes - personality change and nausea and...

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Head injury Causes o RTA most common. ... o Primary injury (occurs at scene) - SECONDARY INJURY – haematoma, oedema, ischaemia, hydrocephalus (aim is to reduce secondary injury!) Extradural haemorrhage: o Trauma - Meningeal artery tear e.g. middle meningeal post pterion impact. o Rapid onset, intense headache (rapid onset due to arterial pressure). o Lucid interval – patient regains consciousness (seems ok), then rapidly declines then shows vomiting, confusion, fitting +/- hemiparesis, increased reflexes and plantars reflex. o Convex shape haematoma +/- skull fracture on CT – due to dural attachments in skull o midline shift and increased ICP o Treat with - surgical evacuation Subdural haemorrhage: o Trauma (can be minor) or reduced ICP/mets) - shearing injury - Tear of bridging veins between cortex and venous sinuses e.g. shaken baby, alcoholic, patient on anticoagulants. o Gives fluctuating consciousness. o Insidious onset (24hrs-2weeks) headache +/- intellectual slowing, unsteadiness,
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Unformatted text preview: personality change and nausea and vomiting ( differentials include stroke, dementia, tumour). o Long thin haematoma on CT expands along dura. o Treat with burr hole craniostomy/craniotomy. Also address cause of trauma (child abuse, falls due to cataract or arrhythmia) . Epidemiology The incidence (number of new cases) of head injury is 300 of every 100,000 per year (0.3% of the population), with a mortality rate of 25 per 100,000 in North America and 9 per 100,000 in Britain. Head trauma is a common cause of childhood hospitalization. Epidemiology The incidence (number of new cases) of head injury is 300 of every 100,000 per year (0.3% of the population), with a mortality rate of 25 per 100,000 in North America and 9 per 100,000 in Britain. Head trauma is a common cause of childhood hospitalization....
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Head injury Causes - personality change and nausea and...

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