noun, noun or participle which takes 'suru', intransitive verb
fainting; losing consciousness; passing out
General term for a temporary loss of consciousness, often used in everyday and medical contexts.
暑さで失神しそうになった。
I almost fainted from the heat.
彼女は突然失神して倒れた
She suddenly lost consciousness and collapsed.
noun
syncope
Medical term for fainting; used in clinical or technical descriptions.
医師はその症状を失神と診断した。
The doctor diagnosed the symptom as syncope.