Psychiatric Complications of Physical Disorders Flashcards

1
Q

Delirium is commonly seen in what age group?

A

Over 65 y.o

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2
Q

What are the fts of Delirium?

A
  • Impaired Consciousness
  • Disturbed cognition
  • psychomotor disturbance
  • disturbance of SLEEP-WAKE cycle
  • emotional disturbance
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3
Q

What is the range of impaired consciousness?

A

Clouding>Drowsiness> Sopor (deep sleep)> COMA

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4
Q

How to recognise if the pt has disturbance of Cognition?

A
  • disorientation of TIME (severe- Person)
  • Impaired attention and Memory
  • impaired thinking
  • perceptual disturbance : Hallucinations and Illusions
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5
Q

What psychomotor disturbance is seen in a Hyperactive delirious person?

A
  • AGITATION
  • hallucinations and delusions
  • sometimes aggressive
  • disorientated
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6
Q

WHat psychomotor changes are seen in a hypoactive delirious person?

A
  • confusion
  • sedation
  • MISDIAGNOSIS of depression
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7
Q

What are the diff. types of sleep disturbance?

A
  • insomnia
  • sleep loss
  • reversal of sleep cycle (SLEEPS at night)
  • nocturnal worsening of symptoms
  • nightmares
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8
Q

What emotional disturbance may they be going through?

A
  • fear, anxiety
  • irritability
  • EUPHORIC
  • apathetic
  • Perplexity
  • aggression
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9
Q

How long do these general features last?

A
  • days to months (until underlying cause is treated)

- transient course and RAPID onset

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10
Q

Apart from elderly patients, who is affected with delirium?

A
  • cancer pts
  • AIDS pts
  • Terminally ill pts
  • in-patients
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11
Q

What neurological disorders lead to delirium?

A
  • Head INJURY
  • Meningitis
  • Tumors
  • Epilepsy
  • Encephalitis
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12
Q

What Genitourinary d.os cause delirium?

A
  • UTI

- Renal failure

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13
Q

What endocrine d.os cause delirium?

A

-complications of DIABETES and THYROID disorder

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14
Q

What CVS d.o may cause delirium?

A
  • PE
  • MI
  • CHF
  • intracranial/subdural bleed
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15
Q

Which GI problem leads to delirium?

A

pancreatitis

Liver failure

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16
Q

Other causes of delirium?

A
  • infections
  • drugs and alcohol
  • trauma
  • hypoxia
17
Q

What drugs are said to cause delirium?

A
  • illicit drugs
  • alcohol
  • anti-convulsants
  • anti-parkinsonian drugs
  • steroids
  • opiates
  • sedatives
  • anticholinergics
18
Q

Withdrawal from a few substances may also trigger delirium…name 4.

A
  • sedative (Benzodiazepines)
  • Barbiturates
  • Illicit drugs
  • alcohol
19
Q

What metabolic causes result in delirium?

A
  • hypoxia
  • hypoglycemia
  • compromised LIVER/ KIDNEY fxn
  • HYPO-/HYPERthyroidism
  • hypopituitarism
  • hypo-/hyperparathyroidism
  • porphyria
  • carcinoid syndrome
20
Q

Name vascular disorders, from which Delirium may arise from.

A
  • TIAs
  • Thrombosis
  • Embolism
  • Migraine
  • MI
  • CHF
21
Q

What external factors put an individual at risk of becoming delirious?

A
  • Social ISOLATION
  • NEW environment
  • STRESS
  • immobility
  • perioperative (LONG surgery, emergency surgery)
22
Q

What individual factors put a person at risk of delirium?

A
  • AGE
  • Cognitive deficit DEMENTIA
  • sensory deficits (deafness and blindness)
  • extreme sensory experience (HYPO-/HYPERTHERMIA)
23
Q

What IVX can be done?

A
  • FORMAL cognitive tests (MMSE, CAM)
  • Urine analysis
  • FBC, U&Es, LFTs
  • THYROID fxn
    -blood glucose
  • C-REACTIVE protein
    -B12 and FOLATE
  • CXR. MRI, CT brain
    EEG
24
Q

When is sedation administered in a delirious pt?

A
  • to allow examination

- ivx

25
Q

How should the env. of a delirious pt be managed? (5)

A
  • make ALL staff aware (minimal staff change)
  • REALITY orientation (place clock and calendar in room)
  • correct sensory impairments (bring in reading glasses, hearing aids from home)
  • put pt in BRIGHT sideroom, with minimal noise, remove UNSAFE objects
  • ensure basic needs are met (food, water and warmth)
26
Q

What to prescribe regularly to a delirious patient?

A
  • Anti-psychotics is STANDARD (haloperidol 1-10mg)
27
Q

What is the NHS Tayside protocol for delirious management?

A
  1. Haloperidol (0.5-5mg); orally then IM (upto 10mg in 24hrs)
  2. Lorazepam (0.5-2mg) —up to 2x in 24HRS
28
Q

What is given to an alcohol withdrawal pt?

A
  • benzodiazepam
29
Q

What is the prognosis like for delirium?

A
  • mean duration: 1-4 weeks
  • longer in elderly (may become CHRONIC)
  • RISK OF PERSISTENT cognitive impairment and DEPRESSIOn
30
Q

What s the most COMMON neuropsychiatric complication post stroke?

A
  • Post STROKE DEPRESSION
  • treatable, not preventable
  • —affects COGNITION, MOTIVATION and REHABILITATION
31
Q

How does post MI depression affect the pt’s wellbeing?

A
  • 22% have MAJOR depression
  • increases MORTALITY
  • risk factor for development of CV disease