NCLEX-PN

Theories of Pain : Multiple theories have attempted to explain pain, from the Specificity Theory to the Neuromatrix Theory. The Specificity Theory considers pain as a unique sensation, while the Intensive Theory emphasizes pain as an emotional state. The Peripheral Pattern Theory and Neuromatrix Theory brought forth different viewpoints, acknowledging the psychological and social aspects of pain. Gate Control Theory: Melzack and Wall's Gate Control Theory integrates sensory, cognitive, affective, and psychological responses to pain. This theory recognized the role of the brain's "gate" in facilitating or blocking pain transmission . Anxiety, endorphin levels, and beliefs play a crucial role in opening or closing this "gate." Pain is categorized into various types based on duration and origin: ●​ Acute Pain : Lasting less than 3 months, acute pain serves as a physiological warning of a problem. It comes with sympathetic nervous system responses and resolves as the underlying issue is treated. ●​ Chronic Pain : Long-lasting and complex, chronic pain can be challenging to define and assess. It often leads to physical, emotional, and psychological changes. ●​ Neuropathic Pain : Characterized by burning and sharp sensations, neuropathic pain results from nervous system damage. ●​ Nociceptive Pain : Arising from injuries to tissues like skin, bones, and muscles, nociceptive pain includes somatic and radicular pain. ●​ Superficial and Deep Pain : Reflecting pain's location on the body, these terms describe whether pain is on the surface or deep within. ●​ Somatic Pain: A type of nociceptive pain that arises from injuries to the skin, bones, muscles, connective tissues, and joints. ●​ Visceral Pain: A type of nociceptive pain that originates in and around the organs of the body. ●​ Radicular Pain: Pain that radiates to the lower extremities due to transmission along the spinal nerve. ●​ Referred Pain: Pain that extends to an area of the body that is not the source of the pain. ●​ Diffused Pain: Widespread or generalized pain that is not localized to a specific area. ●​ Localized Pain: Pain that is limited to one specific, identifiable area of the body. Assessment using PQRST : Nurses employ the PQRST method to assess pain: ●​ Precipitation : What triggers the pain?

●​ Quality : How does the pain feel? ●​ Region : Where is the pain located?

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