Edema is the accumulation of fluid in bodily tissues or a body cavity. The word is derived from the Middle English word ydema, which comes from the Greek word for swelling..In people who suffer from this condition, the swelling is usually clearly visible.eeping the legs elevated may help treat leg edema. Pulmonary edema is usually caused by heart failure. Cutting back on salt may help relieve edema. Compression stockings may help prevent fluid from collecting in the lower extremities.
Key Characteristics of Hedge Funds. 1  Hedge funds utilize a variety of financial instruments to reduce risk, enhance returns and minimize the correlation with equity and bond markets. 2  Hedge funds vary enormously in terms of investment returns, volatility and risk. 3  Many hedge funds have the ability to deliver non-market correlated returns.
The name hedge fund came into being because the aim of these vehicles was to make money regardless of whether the market climbed higher or declined. This was made possible because the managers could hedge themselves by going long or short stocks (shorting is a way to make money when a stock drops).