Abstract: Timely diagnosis and treatment of a well-known respiratory pathological state of an overlapping BA syndrome especially due to occupational background remains nowadays an actual clinical problem. In accordance with the reports of public health bodies is often registered among industrial workers in more than 20 occupational in such industries as metallurgy, chemical enterprises, construction, at transport, mechanical engineering, wood processing, animal husbandry, and so on. Along with the leading positions in mortality and occurrence, these pathologies show high levels of comorbidity which complicates differential diagnosis, expertise of work relatedness and treatment. These type of patients should be in a special group because they often show the development of acute processes. The patients often have low life standard. Their respiratory function is often oppressed, their mortality rates are high enough, they go to the doctor’s much more often than patients with other respiratory diseases (1,2,3). Due to these factors, it is necessary to find more informative, clinical and hygienic criteria to develop algorithm of diagnosis and expertise for this group of occupational patients.
