Subcutaneous edema

Subcutaneous tissue edema refers to excessive fluid accumulation in the interstitial space outside the blood vessels, which is one of the common clinical symptoms. Unlike obesity, edema is manifested as a noticeable depression when a finger presses a part with less subcutaneous tissue (such as the front of the calf). Motherland medicine calls it "water vapor", also known as "edema". Edema is a common pathological process. The accumulated body fluid comes from plasma, and the ratio of sodium to water is about the same as plasma. Traditionally, the accumulation of excessive body fluid in the body cavity is called hydrops or fluid, such as pleural effusion, peritoneal effusion, and pericardial effusion.

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