loss of consciousness (LOC)

Classification

• syncope is transient loss of consciousness
• consciousness is lost during seizure
• coma is a prolonged loss of consciousness

Differential diagnosis

• seizure (epilepsy)
• syncope
• cataplexy (no loss of consciousness)

* information from observers can contribute in differentiating epilepsy from syncope or psychogenic seizure

More general terms

• disorder of arousal; lack of awareness; impaired consciousness

More specific terms

• coma
• shallow water blackout
• syncope

Additional terms

• consciousness