numbness Flashcards
Pins and needles, no pain, appears even with (-) stimulus
paresthesia
Cover all types of abnormal sensation including
painful ones, (+/-) stimulus.
dysesthesia
pain in response to touch
hyperesthesia
reduction of cutaneous sensation
hypesthesia
Reduced pain perception (usually seen in poorly
controlled diabetic patients)
hypalgesia
Encompasses all (Allodynia, Hyperesthesia,
Hyperalgesia)
o Delayed perception with increased threshold of
pain
Hyperpathia
patient sways markedly or topples when asked to stand with feet close together and eyes closed
+ romberg sign
pain and temperature
spinothalamic tracts/ anterolateral system
TOUCH, PROPRIOCEPTION and VIBRATION
POSTERIOR COLUMN-MEDIAL LEMNISCAL
posterior column
ipsilateral— proprioception, vibration
spinothalamic tract
contralateral — pain, light touch, temperature
motor supply
anterior and lateral corticospinal
small fobers
Pain, temperature, Heat and cold
PTHC
Large fibers
touch, vibration, position
an area of skin supplied by a single spinal nerve for the modalities of sensation.
dermatomes