Specific prevalence of chronic obstructive pulmonary disease

Chronic obstructive pulmonary disease is one of the most common pathologies of the respiratory system and is often the cause of disability and mortality in this category of patients. Poor prognosis is often due to late diagnosis of COPD. Time-tested methods of diagnosing COPD continue to be used and modern diagnostic and monitoring methods (clinical questionnaires, tests, functional tests, EchoCG, multispiral computed tomography of the lungs, etc.)