Parkinson’s Disease

Summary Epidemiology Mean age of onset between 45-60 Prevalence is 0.5-1% of the over 60’s in the UK 2nd most common neurodegenerative disease (after Alzheimer’s) Aetiology Parkinsonism is most commonly caused by ideopathic Parkinson’s...

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Peripheral Neuropathy

Introduction All peripheral nerves are myelinated, except C fibres – which carry information about pain. These C fibres are sometimes called ‘slow fibres’ because the signal travels slowly due to the lack of myelination....

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Pupillary Defects

For a really good demonstration of how this works, see Eye simulator V2.0   Physiology There are two nerves involved in pupillary responses: Optic Nerve (II) – this is the afferent nerve – it...

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