noun
bronchospasm; bronchial spasm
Medical term for a sudden constriction of the bronchial muscles, often associated with asthma or allergic reactions.
喘息発作では気管支痙攣が起こることがある。
During an asthma attack, bronchospasm can occur.
気管支喘息 is bronchial asthma, the chronic condition, while 気管支痙攣 is the acute spasm itself.
Compound of 気管支 (bronchus) and 痙攣 (spasm, convulsion). The exact historical derivation is uncertain; the spelling is conventionally associated with the medical meaning.