Читать книгу Respiratory Medicine - Stephen J. Bourke - Страница 54

What occupations has the patient had over the years, what tasks were performed and what materials were used? Do symptoms show a direct relationship to the work environment, as in the case of occupational asthma improving away from work and deteriorating on return to work? Has the patient been exposed to substances that might give rise to disease many years later, as in the case of mesothelioma arising from exposure to asbestos 20–40 years previously (see Chapter 14)?