Sensory deprivation (being put in a room often without windows, away from family, friends and all that is familiar),
Sensory overload (being tethered to noisy machines day and night),
Pain (which may not be adequately controlled in an ICU),
Disruption of the normal day-night rhythm, or simply
The loss of control over their lives that patients often feel in an ICU.
ICU psychosis often goes away with the coming of morning or sleep. Although it may linger through the day, severe agitation usually occurs only at night. (This phenomenon, called sundowning, is common in nursing homes).
A physician who specializes in the care of critically ill patients, usually in an intensive care unit (ICU).
- Interatrial septum
The partition that separates the upper chambers (atria) of the heart.
Between cells, as in an intercellular bridge.
- Intercellular junction
A specialized region of connection between two cells.
- Intercostal muscle
The muscle tissue between any two ribs.