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Pain (Week 2)
a good strong pain killer would be nice right about now
28
Nursing
Undergraduate 3
02/05/2013

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Cards

Term
Acute pain
Definition
- Definite onset
- Cause usually known
- Short duration, self-limiting related to injury/illness
- Decreases as healing progresses
- Sympathetic response usually present
- Focus of treatment is on cause
Term
Chronic pain
Definition
- Duration of at least one month longer than usual course or pain or healing of injury
- Cause may not be known
- Pathologic: serves no purpose, not a symptom, a condition in itself
- Little sympathetic response
- May have acute exacerbations
Term
Gate Control Theory
Definition
When gate (in spinal cord) is closed, pain is blocked
Stimuli other than pain pass through the same gate
Physiologic reason why nonpharmacologic pain interventions can work
Term
Nociception
Definition
Pain receptors, sensory nerves that detect mechanical, thermal or chemical stimuli above an activation threshold
Term
4 processes of nociception
Definition
Transduction
Transmission
Perception
Modulation
Term
Neuropathic pain
Definition
Result of damage to nerves, spinal cord, or brain
Pain may have been originally related to an injury which affected nerves
Can persist for months or years
Term
Types of neuropathic pain
Definition
Somatic: from the skin
Visceral: from the organs
Term
Associated symptoms of neuropathic pain
Definition
Allodynia: pain from non-painful stimulus
Hyperalgesia: increased sensitivity to normally painful stimuli
Term
Gabapentin
Definition
May help prevent post-herpetic neuralgia
Term
Polyneuropathies
Definition
Systemic type of neuropathic pain
- Diabetic neuropathy
- Alcohol-nutritional neuropathy
- HIV neuropathy
Term
Mononeuropathies
Definition
Local type of neuropathic pain
- Nerve root compression
- Trigeminal neuralgia
Term
Consequences of Unrelieved Pain
Endocrine
Definition
- Sympathetic nervous system hyperstimulation
- Glucose intolerance, insulin resistance and hyperglycemia
Term
Consequences of Unrelieved Pain
Cardiac
Definition
- Increased HR, BP, cardiac workload, O2 demand, risk of myocardial infarction
- Hypercoagulability
Term
Consequences of Unrelieved Pain
Respiratory
Definition
- Decreased respiratory function
- Complications: pneumonia, atelectasis, PE
Term
Consequences of Unrelieved Pain
GI
Definition
- Delayed gastric emptying
- Decreased motility
- Ileus
- Nausea
- Anorexia and weight loss
Term
Consequences of Unrelieved Pain
Musculoskeletal
Definition
- Impaired muscle function
- Decreased mobility
- Decreased ability to ambulate
- Diminished short and long-term recovery and rehab
Term
Consequences of Unrelieved Pain
Cognitive
Definition
- Mental status changes
- Delirium
- Sleep and behavior disturbances
- Depression
- Anxiety
- Anhedonia
Term
Consequences of Unrelieved Pain
Personal
Definition
- Inability to perform ADLs
- Impaired relationships
- Impaired intimacy
- Social isolation
- Anger
- Loss of self-esteem
- Economic stress
Term
Pain and the Elderly
Definition
- Pain is extremely common in the elderly
- Frequently multifactorial
- At increased risk of adverse drug events and drug interactions
- Frequently undertreated
Term
OPQRST
Definition
Onset
Palliative measures
Quality
Radiation
Severity
Treatment
Term
Reasons patient might not report pain
Definition
- Fear of diagnostic testing
- Fear of medications
- Fear meaning of pain
- Perceive physicians and nurses to be too busy
- Complaining may affect quality of care
- Believe nothing can or will be done
Term
PCA (Patient-Controlled Analgesia)
Definition
Opioid meds delivered via IV controlled by patient
Term
Advantages of PCA
Definition
- Maintains more constant level of pain relief
- Decrease patient anxiety by giving patient control
- Eliminates need for repeated injections
Term
TENS: electrical counterstimulation
Definition
- Skin stimulation by mild electrical current passing through external electrodes
- Useful in managing postop pain, reducing pain from post op procedures
Term
Addiction
Definition
Chronic relapsing condition characterized by
- Psychological dependence
- Compulsive drug-seeking
- Use of drugs despite harm
- Long-lasting chemical changes in the brain
Term
Tolerance
Definition
The need to increase a drug to achieve the same effect
Term
Physical dependence
Definition
Development of a withdrawal syndrome when a drug is suddenly discontinued
Term
Pseudo-addiction
Definition
Patient is seeking medication and seeming like they're addicted but really their pain is just not being managed
Symptoms go away when pain is managed properly
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