Chp 36 Pain Study Guide Flashcards
results from nerve injury
neuropathic pain
physiological pain
somatic pain
excessive sensitivity
hyperalgesia
occurs after an amputation when the brain continues to receive messages from the area of the amputation
phantom pain
pain that extends to other areas
radiating pain
pain that is perceived by an individual but has no physical cause
psychogenic pain
pain from non injury stimuli
allodynia
greatly exaggerated pain reaction to stimuli
hyperpathia
the administration of medications before a painful event
preemptive analgesia
unpleasant abnormal sensation
dysethesia
identify two causes of unrelieved pain
health care professional failure to assess pain, failure to accept a patients reported pain, failure to initiate pain relief
when should nurses assess pain
along with other vital signs, before and after pain control interventions are performed, or analgesic medication is administered
A patient is having severe, acute pain from the kidney stones. On the basis of the patients experience, the nurse anticipates which of the following in the patients assessment
tachycardia, diaphoresis, pupil dilation, hypertension
What areas of the body is the most sensitive to pain
skin
identify and briefly describe the four steps in the pain indication process
Transduction: conversion of the energy from the pain stimuli into electrical energy through nociceptors at the place of tissue injury
Transmission: The action potential, or electrical energy signal, is sent to the spinal cord and brain
Perception: Occurs when the brain translates the signals as pain
Modulation: Once the pain is recognized, the brain can change the perception of pain by sending inhibitory input to the spinal cord to impede the transmission
Difference between pain threshold and pain tolerance
Threshold: the point at which the brain recognizes the stimulus as pain
Tolerance: intensity or duration of pain that a patient is able or willing to endure
Three major types of pain
acute, cancer, and non cancer
What are the specific sensations associated with neuropathic pain
burning aching, crushing, stabbing, shooting, tingling, or numbing
What are pathologies that can influence the pain experience
This that damage or create hypersensitivity along the pain pathway, such as spinal cord injuries, peripheral neuropathy secondary to diabetes mellitus or peripheral vascular disease, and psychological dysfunction
Physiological changes that occur with pain include
Endocrine system: release of excessive amounts of hormones, leading to hyperglycemia
Cardiovascular: an increase in the heart rate, force of contraction, BP, and coagulation
Respiratory system: respiratory rate increases and becomes irregular
Musculoskeletal: impaired muscle function, muscle spasms, muscle tension, and fatigue
Genitourinary: increase in BP through activation of the renin-angiotensin system. Urine output decrease, and urinary retention increases, with possible fluid overload and hypokalemia
GI: decrease in gastric emptying and motility, increased GI secretions, and smooth muscle tone. Metabolism is slowed, resulting in indigestion and constipation.
Immune: inflammatory mediators are released in an attempt to prevent and fight infection and to reduce the pain
How is pain influenced by gender
Women have reported being in more pain, women seek help for pain more often than mend do, but women are less likely to receive treatment. Women are more lily to be given sedatives for pain, and men are more likely to be given analgesics.
How is pain influenced by disability
Patient with impaired cognition may not be able to communicate pain. Facial expressions, vocalization of noises, or changes in physical activity or routines may be signs of pain. Patients who are intubated may be able to write or point to a pain assessment tool to indicate their level of pain. Elevated BP and/or pulse rate, as well as restlessness, may signal increased pain levels in patients who are intubated and sedated and unable to communicate verbally or in writing
How is pain influenced by morphology
Obese people tend to experience more pain in more locations than individual of normal weight, and pain medication dosages need to be adjusted on the basis of the heigh and weigh of patients of all ages due to body surface area and metabolic differences
How is medication administration adapted for older adults with pain
lower dosage
Legal risks can be reduced by
Checking allergies Six rights Nursing process Monitering for side effects Reporting uncommon responses Communication with patient Teaching Documenting accurately Evaluating the effect of medication on the patient, and document patient response. Use equipment such as patient controlled anesthesia pumps properly Following policies and procedures Arranging appropriate referrals