[First experience of using cardiorespiratory load testing to assess the functional status of the patient in the pre-operational period].

In anesthetics practice exist different scales and indexes, _through which the evaluation functional condition of the patient. The disadvantage of these scales and tests are subjective evaluation as a condition of the patient, who is able to re-evaluate their functionality and anaesthesiologist, co-tory may underestimate the presence of comorbidities and patient complications in the postoperative period. The method of improvement of objective assessment of the patient's functional reserves, of a cardiorespiratory exercise testing is given.