“…autopsy, venography, compression duplex ultrasound, color flow Doppler imaging, magnetic resonance), 8,9,11,12,16,18,19,29,30 the extent of the examination, 12,31,32 the skill of the technician performing the examination, the experience of physicians interpreting the study, 19 the patient population being studied, associated risk factors, and prophylactic measures employed. [1][2][3][4][5][6][7][8]33,34 With these considerations in mind, reports of infrageniculate DVTs in trauma patients range from 3.8% to 40% 1,9,11 with propagation in different veins below the knee in 10% 9 and suprageniculate extension in 4.7% to 10.0%. 9,11 In the highest risk trauma patients the incidence of infrageniculate DVTs has been reported to be 14.1%, with suprageniculate propagation occurring in 4.7%.…”