The ultrasound can detect any malfunctioning valves from the segment of vein, indicating this segment is diseased. This is sometimes termed a venous reflux scan, as the defective valves will produce refluxing flow as detected because of the ultrasound device. mahasiswa asal sumatera utara sangat tidak percaya bermental juara mengalahkan https://www.sgvascularctr.com/swelling-leg-treatment-singapore/