Type the dent (localized pitting edema) caused by four main causes 1.1 constricted veins (venous obstruction) found a way to lose 1.2 (allergy and hypersensitivity) to any part of the body was 1.3. Inflammation from other causes in addition to allergic (non-allergix inflammation), mainly due to injuries. Accidents and infections 1.4. The swelling is less common (Subcelinical genaralized) , each of which causes are as follows: 1.1 vein stenosis (venous obstruction) often found in the legs, especially in people with a blood knot or veins, varicose (varicose veins) in the leg, which saw the green-purple area. lower leg, especially the calf. Purple and green lines are inflated and zigzag. (Non-linear), especially when sitting, standing or hanging leg veins or varicose veins, varicose. It causes the blood in the veins that flow slowly. Vein thrombosis clotting and clot easily. When veins are blocked Blood will flow back discomfort The blood trapped in the tip. And allowing the water to seep out of the blood vessels. The end result (Part I point out that clogs) swelling up. If the leg veins are blocked. Lower leg and foot will swell up and press dent. Maybe the pain if there is inflammation (swelling, redness and heat) together with some blood knot, but no impact. Fold or sitting (formally sit cross-legged cross-legged, etc.) for a long time, it can cause the veins that are folded over or clog it. Blockage of veins May be due to a saline injection or catheter into the vein. As well as the danger that the veins from other causes. Former Prime Minister of Thailand, one to examine the heart. (Catheter through the groin vein heart) to check the condition of the heart. I find nothing wrong But on his return to Thailand. Back onset of chest pain And dyspnea detected vein catheter was then. Caused a blood clot clogs Then a blood clot that flow to the heart. Flow to the lungs and block blood vessels. Cause chest pain Dyspnea and more Veins in other areas such as the arms or in the pelvis, thorax (chest) may be clogged in the arm. Often caused by trauma to the vein from various causes. Including injection And to put the transmitter in the vein for a long time. The brine Or the nutrients in the pelvic cavity. (Or the lower abdomen) is often found in women, especially women who have problems with inflammation of the uterus, fallopian tubes and ovaries or cancer of these organs. The less common in men If you find often associated with early prostate. Or the large ships that are on or near the pelvis. Also, surgery in the pelvic cavity, causes the veins in the area blocked in both female and male in the chest. Vein clots frequently on the large veins (superior vena cava), mainly due to lung cancer spread to press this vessel. And thus clog up. Make swelling (Or dark purple) neck swollen varicose veins in the neck are not dancing. And patients with dyspnea. Fatigue, and / or restless With unbowed
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