Depression

• Cause: Alterations in neurotransmitter function.
• Onset: Weeks to months (subacute).
• Duration: Months to years.
• Mood: Low mood
• Course: Chronic; responds to Tx. Can recover or relapse.
• Timing: Worse in the morning.
• Consciousness: Normal or slowed.
• Thinking: Pessimistic.
• Psychomotor activity: Apathy.
• Hallucination: None
• Attention: Difficulty concentrating.
• Memory problems: Possibly acute.
• Sleep disturbance: Hypersomnolence or insomnia
• Ex: Normal vitals.
• Ix: Normal.

Delirium

• Cause: IWATCHDEATH look up
  • Medications (i.e. anaesthesia), infection (i.e. UTI, pneumonia), dehydration, metabolic changes. (i.e. DKA), hypoglycaemia, electrolyte disturbance, constipation etc.