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Pain An unpleasant sensory and emotional experience associated with actual or potential tissue damage What is pain classified as? Acute or Chronic Chronic Malignant Pain associated with cancer Chronic nonmalignant caused by a progressive disease disorder or an injury Intractable Pain a type of chronic pain that is extremely difficult to relieve despite multiple types of interventions Nociceptive Pain caused by a stimulus due to the damage of normal tissues or has the potential to do so Somatic Pain Pain that comes from bones, joints, muscle, skin, or connective tissue Visceral Pain results from simulation of pain receptors in the abdomen, cranium, and thorax Neuropathic pain results from a disturbance of the peripheral or central nervous system that recults in the production of pain that may or may not be associated with ongoing tissue damamging process Centrally generated pain from injur to either the peripheral or central nervus system Peripherally generated pain usually associated with a peripheral nerve injury or degeneration condition Radiate Pain perceived at the source of the pain and extends to nearby tissues typically r/t tissue or organ hypoxia Referred Pain felt in a part of the body that is considerably removed from the tissues causing the pain typically r/t to nerve tracts Phantom Pain painful sensation perceived in a body part that is missing or paralyzed by a spinal cord injury Pain Threshold the least amount of pain stimulation a person requires in order to feel pain Pain Tolerance the maximum amount and duration of pain that an indiviual is willing to endure Who puts the standards on assessment of pain in place? JCAHO Physiology of Pain how pain is transmitted and perceived is still not completely understood A-delta fibers large diameter,myelinated and can rapidly transport information. Sharp, mechanical and thermal C- fibers small diameter, unmyelinated, transmit the impulse more slowly and mediate long lasting, burning stinging sensation What do the primary sensory neurons detect? tissue damage, touch, heat, cold, pain and pressure Where are the primary sensory neurons located? in the skin