End of life Flashcards
(37 cards)
dying
- decline in body function -> death
death
- final cessation of vital functions
brain death
- irreversible cessation of brain stem
signs pt is actively dying
- death rattle
- jaw movement increases with breathing
- cyanosis and skin mottling
- no radial pulse
what is the death rattle
- retention of fluids in pharynx and upper respiratory tract
- causes audible breathing
- keep bed at 45 degree angle to help
cheyne-stokes respirations
- changes in breathing that occur right before death
- irregular breathing patterns
pain management treatment options
- treat based on severity and type of pain
- non-opioids: tylenol or NSAIDs
- opioids
- adjunct therapy- anti-convulsants, steroids, TCAs
what are examples of weak opioids
- codeine
- hydrocodone
- oxycodone (oxycontin)
- aka weak affinity for receptors
what are examples of strong opioids
- morphine
- hydromorphone (dilaudid)
- fentanyl
how is fenatnyl absorbed as a patch
- lipophilic so needs fat
- often dying pts have decreased fat so it is less likely to be absorbed and effective
how long is the half life of most opioids?
- 3-4 hours with normal renal function
morphine considerations
- dialyzes off
- will accumulate in renal failure -> neuroexcitation and CNS effects
hydromorphone considerations
- inactive metabolites
- DOC in renal failure
methadone considerations
- may cause QTc prolongation
- requires frequent EKG monitoring
possible causes of dyspnea
- increased dead space or airway resistance
- decreased lung compliance or hemodynamic abnormalities
- airway obstructions
- muscle weakness
- cardiac issues, anemia
- intraabdominal processes
- psychological- anxiety
what should you educate pts and families about in terms of dyspnea?
- changes in respiratory patterns may not equal dyspnea
- drugs may remove perception of dyspnea but not alter breathing patterns
- explain possible reasons for dyspnea
treatment for dyspnea
- oxygen- even if not hypoxic
- opioids- esp morphine due to venodilation and sedation
- BZDs/ anxiolytics
- steroids
- thoracentesis or paracentesis
- palliative radiation
- inhaled bronchodilators if bronchospasm
non-pharm approaches for dyspnea
- avoid exacerbating activities
- reduce temp and maintain humidity
- window/ bring pt outside
- avoid irritants
- elevate head of bed
- relaxation therapies
opioids and dyspnea
- most effective if stead state blood levels
- causes suppression of respiratory drive with peaks and valleys
- if pt is on opioid for pain then dev dyspnea increase dose by 25-50%
nausea
- stimulation of GI lining, chemoreceptor trigger zone in 4th ventricle, vestibular apparatus, or cerebral cortex
- cerebral cortex= learned response
vomiting
- neuromuscular reflex centered in medulla oblongata
mediators of N/V
- serotonin
- dopamine
- acetylcholine
- histamine
pharmacologic treatment for N/V
- dopamine antagonists
- histamine antagonists
- serotonin antagonists
- prokinetic agents
- antacids- tums
- steroids
- cannabinoids
- BZDs- for anticipatory nauesa
examples of dopamine antagonists
- pramipexole dihydrochloride
- ropinole