Pain Flashcards
Pain
Define pain
- Alerts us to injury
- Protective sensation
Pain
Types of pain
Physical
an unpleasant feeling, such as a prick, tingle, sting, burn, or ache
Pain
Types of pain
Emotive
pain or hurt that originates from non-physical sources
Pain
Types of pain
Psychological aspects
An emotionally based extremely aversive feeling which can be experienced as torment.
Pain
Types of pain
Nociceptive pain
Pain caused by the activation of specialist nerve fibres called PAIN FIBRES or NOCICEPTORS; stimulated by ‘noxious’ or tissue- damaging stimuli
Pain
Types of pain
Neuropathic Pain
Long-term damage to nerve fibres
Pain
Types of pain
Somatic (soft tissue/bone)
Type of pain felt in the skin, muscles, joints and bones
Pain
Types of pain
Visceral
Pain felt in the internal organs, when inflamed, diseased, damaged or injured.
Pain
Ascending pain pathway
Nociception
The conversion of noxious stimuli into nerve implulses bt nociceptors
Pain
Ascending pain pathway
Transmission
The movement of nerve impluses along a defined pathways to reach the brain
Pain
Ascending pain pathway
Perception
Occurs when stimulation of nociceptors is intense enough to activate.
Pain
Asending pain pathway
Role of A- beta
Deep, lancinating pain
Pain
Asending pain pathway
Role of C fibres
Responsible for the burning pain sensation from noxious heat stimuli and from prolonged mechanical stimuli.
Pain
Descending modulation
Gate control theory
A mechanism, in the spinal cord, in which pain signals can be sent up to the brain to be processed to accentuate the possible perceived pain, or attenuate it at the spinal cord itself
Pain
Define: Segmental
An area of spontaneous pain within one or more tender skin sensory segments, generally called dermatomes.
