31. A case of deep vein thrombosis and a potentially contaminated needle finally seems to shock Louis into recovery. 32. Compression ultrasonography has both high sensitivity and specificity for detecting proximal deep vein thrombosis only in symptomatic patients. 33. A : Nothing funny about deep vein thrombosis , the formation of a blood clot, usually in the legs. 34. Doctors know the problem formally as deep vein thrombosis , but some of them call it economy class syndrome. 35. It's called " deep vein thrombosis , " when a dangerous blood clot forms deep in the leg muscles. 36. People with high levels of factor VIII are at increased risk for deep vein thrombosis and pulmonary embolism. 37. Deep vein thrombosis is different from thrombophlebitis, a swelling in a superficial vein, often with an accompanying clot.38. However, the presence of a popliteal cyst does not rule out deep vein thrombosis and warrants further investigation. 39. Once diagnosed, and after deep vein thrombosis other disease masquerades have been excluded, the treatment for pseudothrombophlebitis is supportive. 40. Blood clots, known as deep vein thrombosis , are considered a major public health problem in phu " United States.