Delirium Flashcards
What is delirium? S+S
Acute and fluctuating cognitive disorder. S+S are confusion ,agitation, restless, inattentiveness, disorganized thinking, altered LOC.
What can cause delirium in elderly (6 reasons)
- Infection (sepsis, UTIs), temperature should be 36.5-37.5, look at blood cultures for elevated WBC, positive urine cultures
- Hypoxia- low SPO2, agitation is a sig
- Opioid- too much opioids in elderly cause them to go into a delirious state
- Hyponatremia- low sodium, anything below 135, normal range is 135-145
- Hypoglycemia- low sugars, normal 3.5-5.5
- Post op, extended length of stay in hospital
What is alzheimer’s disease?
Memory loss/ confusion, amyloid plaques/neurofibrillary tangles/gradual loss of connections.
What is vascular dementia?
Caused by impaired blood flow to brain, 2nd most common type
Dementia with lewy bodies?
Type of dementia caused by abnormal deposits by lewy bodies in the brain which leads to problems with thinking/mood/balance/movement.
What is frontotemporal dementia?
frontal/temporal brains are affected. Start to shrink and neuron’s get damaged which will cause lack of judgment/missed social cues…
What is creutzfeldt-jakob disease?
Caused by protein deposits/or infection (but rare). Protein will affect the neurons in your brain.
Risk factors for delirium (modifiable and non modifiable)?
Predisposing (can’t change it)- 75+, cognitive status, decreased functional status, drugs, dehydration, sensory impairment, comorbidities
Precipitating- drugs, neurological diseases, surgery, intercurrent illness, environment, prolonged sleep deprivation
Amnesia?
Inability to recall, forgetful
Aphagia?
Loss of expression/understanding of written or spoken word
Agnosia?
Inability to recognize common objects
Apraxia?
Loss of ability to initiate purposeful movement
Apathy?
Loss of drive/initiative
Anosgnosia?
Loss of ability to realize there’s a problem with memory or functioning
How to diagnose delirium/what tools to use?
Know health history, physical exam, blood work, MMSE, MOCA test, CAM (confusion assessment method- best)