Commodities are raw materials intended for use or consumption. There are three main commodity classifications: Agriculture commodities (often referred to as soft commodities), energy commodities, and metal commodities (referred to as hard commodities). The most commonly traded commodities are crude oil, gold, silver, and copper. Commodity markets can include physical delivery, referred to as a spot contract. Most trades, however, are carried out through derivative trading using futures, forwards, CFD's, and options.
Donna Perrin, RGN, is practice development sister, A&E, Frimley Park Hospital, Surrey. Fluid resuscitation is one of the most important aspects of the acute medical management of critically ill patients.
cardiac massage. Cardiac massage is an emergency procedure carried out, in conjunction with mouth-to-mouth resuscitation, on someone who has collapsed with cardiac arrest. When the heart stops completely, the patient loses respiration, the pulse ceases in all the major blood vessels, and the pupils become dilated.