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Breathing requires the movement of air into and out of the lungs. This is normally accomplished by the diaphragm and chest muscles. A variety of medical conditions can impair the ability of these muscles to accomplish this task. In these medical conditions, external breathing support is required for savings of patient’s life that is called mechanical ventilation. Mechanical ventilation is a life supportive measure. Mechanical ventilation is provided by mechanical ventilator. Mechanical ventilator is a machine that helps patient breathe when they are not able to breathe enough on their own. The mechanical ventilator is also called a ventilator, respirator, or breathing machine. Mechanical ventilator is an artificial, external organ that was conceived originally to replace, and later to assist, the respiratory muscles. The primary function of mechanical ventilators is to promote alveolar ventilation to maintain adequate oxygenation or carbon dioxide elimination. Definition · ...

INTRODUCTION Materials Management is simply the process by which an organization is supplied with the goods and services that it needs to achieve its objectives of buying, storage and movement of materials. Material management is the coordinated function, responsible for planning, acquiring, stocking, moving and controlling the appropriate material of right quality, right quantity at right place in right time so as to optimise the usage of facilities and capital funds in order to provide customer patient service. It is only possible by efficient materials management. Material management is one of the key factors for improving performance of any health unit. Proper management of materials, therefore, assumes considerable importance in functioning of health services as well as national economy. It is generally observed that senior functionaries of health do not pay desired attention to material management, which results in inefficiency. 40 per cent of the funds are utilized in p...