Clinical: Sensation Flashcards

1
Q

Peripheral nerve mononeuropathy

A

Carpal tunnel, sensory loss with that nerves distribution and weakened muscles

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2
Q

Peripheral polyneuropathy

A

Disease of peripheral nerves, involving sensory alone (glove and stocking), motor or both

Can affect small unmyelinated nerves, large myelinated or myelin e.g axonal damage by alcohol or diabetes mellitus (small unmyelinated)

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3
Q

Lesion in single nerve root

A

Loss of sensation (dermatome?) weakened muscles.

Loss of reflexes

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4
Q

Spinal cord lesions pin test

A

Anterior: spares posterior sensory clumns

Central: spares post columns and maybe power

hemicord: pin prick abnormal on other side, position vibration on same side

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5
Q

Multiple Sclerosis

A

Autoimmune disorder of CNS, lesions in brain and spinal cord, sensory symptoms often appear first

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6
Q

Examinations of sensation

A

Light touch/ Pin prick: do eyes closed, irregulr stimuli, map loss from area of decreased to normal
Vibration: tuning fork, test how long vibration felt
Joint position: Ask patient if joint is going up or down

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