Passmedicine + Quesmed Geriatrics Flashcards
Causes for delirium?
U PINCH ME
Urinary Retention
Pain
Infection
Nutrition: Hypercalcaemia, Hypoglycaemia, Hyperglycaemia
Constipation
Hydration/Hypoxia
Medication: Opioids
Environment
Delirium features?
Memory loss (Short term > Long term)
Agitation/Withdrawn
Disorientation
Mood change
Visual hallucination
Disturbed sleep cycle
Poor attention
Delirium management?
Remove cause
Haloperidol (Orally if refused then IM)
In Parkinson’s atypical antipsychotics like quetiapine/clozapine preferred
Alternatively, Benzodiazepines
What are the three subtypes of delirium?
Hyperactive, Hypoactive, Mixed
What is hypoactive delirium?
Withdrawn, lethargic, slow to respond
What are first line medications for mild/moderate alzheimer?
Acetylcholinesterase inhibitors:
Donepezil
Rivastigmine
Galantamine
What is second line for alzheimers?
NMDA Receptor antagonists - (N-Methyl-D-Aspartate):
Memantine (add on to 1st line drugs)
Monotherapy in severe Alzheimer’s
Donepezil contraindications and side effect?
Contraindicated in bradycardia, adverse effects of insomnia
MMSE Scores?
For MMSE,
20-24 is mild, 13-20 is moderate, 0-12 is severe.
What drug is associated with a significant increase in mortality in dementia patients
Antipsychotics
Which part of the brain is affected by Alzheimer’s disease?
Cortex and hippocampus
What are risk factors for Alzheimer’s disease?
Increased age
Family History
5% are inherited in Autosomal Dominant trait
Caucasian
Down’s syndrome
Pathological changes in Alzheimer’s?
Macroscopic: Widespread cerebral atrophy particularly cortex and hippocampus
Microscopic: Cortical plaques due to deposition of type A-Beta-amyloid protein and intraneuronal neurofibrillary tangles
Delirium features vs. dementia?
Acute onset
Impairment of consciousness
Fluctuation of symptoms: worse at night, periods of normality
Abnormal perception (e.g. illusions and hallucinations)
Agitation, fear
Delusions
Who works in memory clinics?
Old-age psychiatrists