Although delirium can be caused by a single causative agent, usually they are diverse and multifactorial. They are often an initial manifestation of an acute medical illness, drug effect or complication (1).
Development of delirium can be explained by the complex inter-relationship of patient vulnerability (with several predisposing factors) and exposure to noxious insults or precipitating factors (2).
Some of the common causes of delirium include:
An aide-memoire to help remember the common causes of delirium is HIDEMAP:
Reference:
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