![]() The signs are shortness of breath and rapid, shallow breathing or coughing. The blood gathers in the blood vessels of the lung, and fluid seeps out into the lung tissue. It means the lungs are filling with fluid because the left side of the heart is not strong enough to pump the blood returning from the lungs. This is not common, but the condition is life-threatening. Congestive heart failure can also cause edema in the lungs (pulmonary edema). If the person spends a lot of time lying down, the edema might show up on his or her back (called sacral edema). This may cause swelling in the legs or a build-up of fluid in the abdomen. Because of this, and due to the increased blood pressure in the veins, fluid seeps out into the surrounding tissue. This is because the heart is too weak to pump blood around the body properly, so the blood gathers in front of the heart. Edema can also be caused by varicose veins.Ĭongestive heart failure can cause both peripheral edema and abdominal edema (ascites). This means that it gathers in the legs, and fluid is forced out of the blood vessels into the surrounding tissue. ![]() Venous insufficiency can cause edema in the feet and ankles, because the veins are having trouble transporting enough blood all the way to the feet and back to the heart. ![]() Most of the time, the edema is not a serious illness, but it may be a sign for one. Edema related to circulation (vascular), heart or liver problemsĪ variety of diseases can cause edema. ![]()
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