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 trading strategies that hedge fund managers apply in the markets are highly sophisticated and risky. Many use leverage or add debt when making trades in order to create better profits. Some seek to take advantage of events that unfold in the capital markets, such as mergers and acquisitions.