Decreased alertnessStuporous; Mental status - decreased; Loss of alertness; Decreased consciousness; Changes in consciousness; Obtundation; Coma; Unresponsiveness
Decreased alertness is a state of reduced awareness and is a serious condition.
A coma is a state of decreased alertness from which a person cannot be awakened. A long-term coma is called a vegetative state.
Lei C, Smith C. Depressed consciousness and coma. In: Walls RM, Hockberger RS, Gausche-Hill M, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier; 2018:chap 13.
Wilber ST, Ondrejka JE. Altered mental status and delirium. Emerg Med Clin North Am. 2016;34(3):649-665. PMID: 27475019 www.ncbi.nlm.nih.gov/pubmed/27475019.