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ATC code R03 Drugs for obstructive airway diseases is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products.
2. An item covering the mouth and nose for delivering supplemental oxygen or anesthetic gases. 3. An item covering the mouth and nose intended to protect the local environment from contamination by the breath of the user. facepiece A facepiece is the interface between the user and the breathing apparatus. It is the part of a breathing apparatus ...
M paw — Mean airway pressure; E PAP — Pressure applied to exhalation; I PAP — Pressure applied to inhalation; P high — Highest pressure attained, similar to P ip; this is a constant pressure. P low — Pressure that P high drops to during expiratory time (T low) PEEP — Positive end-expiratory pressure, pressure created by a ...
With the publication of the 2009 version of the standard, the designation of the respiratory protection mask is now "particulate filtering half mask". The abbreviation NR or R is added after FFP1, FFP2, FFP3: NR (not reusable): if the use of the filtering half-face mask is limited to one working day. It is not reusable.
The CEL was initially released in paper form on September 30, 1993. However, due to low usage of the paper CEL, as well as the increasing number of respirators approved by NIOSH, a Microsoft Access-based version of the CEL was released. [29] Initial releases of the CEL had hose and pressure information for air-line respirators. This information ...
A respirator is a device designed to protect the wearer from inhaling hazardous atmospheres including lead fumes, vapors, gases and particulate matter such as dusts and airborne pathogens such as viruses.
Lung volumes. Functional residual capacity (FRC) is the volume of air present in the lungs at the end of passive expiration. [1] At FRC, the opposing elastic recoil forces of the lungs and chest wall are in equilibrium and there is no exertion by the diaphragm or other respiratory muscles.
The user respiratory interface, also commonly referred to as the facepiece, is the delivery system by which the breathing apparatus controls breathing gas flow to and from the user. The choice of interface type and the fit can significantly influence convenience, effectiveness, comfort, and sometimes safety.