Lobes of the brain + intracranial disorders
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Cerebrovascular damage
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Haemorrhage
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Infarction
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Aneurysms
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Blood disorders
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Arteriovenous Malformations
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Haematomas
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Intradural
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Extradural
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Intracranial Tumours
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Benign
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Malignant
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Intracranial infection
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Abscess
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Post trauma
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Concussion
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Supratentorial Tumours
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Infratentorial Tumours
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Raised ICP + brain shift S&S
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Raised ICP + brain shift S&S
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Tentorial herniation then tonsillar herniation
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S&S of CSF outflow blockage
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Causes tonsilliar herniation
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VI Nerve Palsy - BS pushed downwards, stretches VI nerve over petrous tip Unreliable sign
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Visual Association areas
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Main Visual cortex
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Calcarine fissure (medially in right hemisphere)
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Seizures with flashing light Aura
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Visual Field Defects
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Dyslexia
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Visual Agnosia (cannot recognise visual information)
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Sensory Seizures
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Soft Motor signs
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Visual pathway Disturbance
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Postural Sensation disturbed
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Decreased Passive Joint Movement Sense
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Touch Localisation Disturbed
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2 pt Discrimination disturbed
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Appreciation of size + texture Disturbed
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Perceptual Rivalry
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Altered Optokinetc nystagmus
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RIGHT
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LEFT
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Anosognosia - no longer aware of opposite side
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Confusion of right and left limb
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Dyspraxia - loss of acquired skills
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Finger agnosia
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Disturbance of Geographic Memory
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Acalculia
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Agraphia
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Wernickes dysphagia
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Functional areas:
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Olfactory Bulb, tract + optic nerve
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Frontal Poles
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Cingulate Gyrus
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Frontal eye fields
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Corticol control of micturition (urination)
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Corpus Callosum
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Motor cortexes
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Rolandic fissure (fissure between occupital + frontal lobe)
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Sylvian Fissue (fissure between temporal + frontal lobe)
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Broca's area
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Loss of drive
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Apathy
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Decreasing concern about personal appearance, hygiene, family affairs, business
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Memory problems
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Diminished intellect
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Epilepsy
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Focal, motor
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Adversive (includes eyes)
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Status Epilepticus (seizure lasting 10 minutes or more)
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Possible Temporal lobe attacks due to its close proximity
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Weakness on opposite side of face and/body
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If parasagittal, legs are affected bilaterally
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Loss of micturition (urge incontinence)
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Speech Disturbance - Dysphagia (Broca's)
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Visual Disturbance - in visual and or acuity
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Alteration in smell
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Intellectual impairment
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Memory Defect
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+ve Grasp Reflex
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Contralateral UMNL signs
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Unilateral anosmia
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Visual pathway deficits
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Dysphasic signs
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Unicinate fasciculus (connects uncus to orbital frontal cortex)
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Hippocampus
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Uncus
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Inferior longitudinal fasciculus (to visual association areas)
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Motor fibres entering cerebral peduncles
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Epileptic - complex partial seizures "on/off"
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Complex Autonomisms :
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Lipping
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Sucking
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Kissing
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Repeated fiddling with clothing
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Walking/driving then "waking up"
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Prodromes:
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Visual/auditory/smells/taste hallucinations
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Unpleasant visceral sensations
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"Something awful is about to happen"
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Deja vu
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Jamais vu
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great cheat sheet. quick question: do you know how to delete/erase/remove DRAFT cheat sheets. i.e. sheet that I dont want to publish and want to remove them from my DRAFT sheets. Thank you!
Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
