Nurses' and physicians' knowledge and skills in non-invasive ventilation: Equipment and contextual influences.

Objectives: To assess non-invasive ventilation knowledge and skills among nurses and physicians in different contexts: equipment and contextual influences.

Method: Cross-sectional, descriptive study in 4 intensive care units (ICU) (1 surgical, 3 medical-surgical), 1 postsurgical recovery unit, 2 emergency departments (ED) and 3 wards, in 4 hospitals (3 university, 1 community) with 407 professionals. A 13-item survey, validated in the setting, was applied (Kappa index, 0.