pain management yoost Flashcards
what is pain thershold
lowest intensity at which the brain recognizes the stimulus as pain
bradykinin Definition and Function
A peptide produced in the blood that mediates the inflammatory response and stimulates pain receptors
substance p Definition and Function
Neuropeptide that transports pain impulses from the periphery to the central nervous system
Histamine Definition and Function
An amine released by immune cells in response to inflammation
Serotonin Definition and Function
A neurotransmitter released from the brainstem and dorsal horn that inhibits pain transmission
Cytokines Definition and Function
Proteins secreted by immune system cells that control inflammation
Calcium, sodium, and potassium ions Definition and Function
Molecules that activate nerve endings (synapses), which respond to painful stimuli by changing ionic movement into and out of nerve cells
ProstaglandinsDefinition and Function
Hormone-like compounds derived from fatty acids that are thought to increase sensitivity to pain by stimulating pain receptors on neurons
Physical assessment of the patient with pain begins with
vital sign assessment
Clinical Manifestations of Cardiovascular system
Increased heart rate and force of contraction in acute pain
Increased systolic blood pressure in acute pain
Decreased systolic blood pressure in prolonged pain or chronic pain
Decreased pulse in prolonged pain or chronic pain
Increased myocardial oxygen demand
Increased vascular resistance
Hypercoagulation
Chest pain
Clinical Manifestations of Respiratory
Increased respiratory rate
Increased bronchospasms
Pneumonia
Atelectasis
Clinical Manifestations of Gastrointestinal system
Delayed gastric emptying
Decreased intestinal motility
Constipation
Anorexia
Weight loss
Clinical Manifestations of Musculoskeletal
Muscle spasms
Increased muscle tension
Impaired mobility
Weakness
Fatigue
Clinical Manifestations of Endocrine system
Fever
Shock
Clinical Manifestations of Genitourinary system
Decreased urine output
Urinary retention
Fluid overload
Hypokalemia
Clinical Manifestations of Sensory system
Pallor
Diaphoresis
Dilated pupils in acute pain
Constricted pupils in deep or prolonged pain
Rapid speech in acute pain
Slow speech in deep or prolonged pain