Pain Flashcards
Pain that an individual may continue to experience even when no damaging or threatening stimulus is present
Chronic pain
Pain that is caused by the irritation of nerves and nerve roots and can radiate down an extremity
Radiating pain
Pain associated with a myocardial infarction that is felt in the left arm is defined as:
Referred pain
________ nerve fibers transmit impulses from sensory receptors toward the brain, and ______ nerve fibers transmit impulses from the brain toward the periphery.
Afferent; efferent
Current findings indicate that specific nerve endings called ______ respond to all painful stimuli.
Nociceptors
Nociceptors give rise to types of first order nerve fibers called:
C fibers and A-delta fibers
____ fibers are small, unmyelinated, and transmit pain sensations described as dull, throbbing, aching, burning, tingling, or tapping.
C fibers
____ fibers are fast, myelinated, and transmit pain sensations described as sharp, stabbing, or pricking.
A-delta fibers
A hyperactive response of the SNS that fails to turn off in response to an acute injury can increase the severity of pain, which may lead to __________syndrome.
Complex regional pain
Theory that states severity of pain is controlled by the balance of excitatory and inhibitory inputs to T cells in the substantia gelatinosa of the spinal cord.
Gate Control Theory
The theory that pain is modulated at peripheral, spinal cord, and cortical levels by endogenous neurotransmitters that bind to the same receptors of exogenous opioids.
Endogenous Opioid System
Pain lasting 0 to 6 months’ duration for which an underlying pathology can be defined
and occurs as a direct result of actual or potential tissue injury due to a wound, disease process, or invasive procedure.
Acute Pain
Pain that arises as a direct result of a lesion or disease affecting nerves. This type of pain typically has a burning or lancinating quality and is accompanied by other signs or symptoms of neurological dysfunction.
Neuropathic Pain
Pain that does not serve a protective purpose
Dysfunctional Pain
These scales access pain severity by asking the patient to indicate the present level of pain on a drawn line or to rate the pain numerically on a scale such as 0-10.
Visual Analog and Numerical Scales