TY - JOUR T1 - Knee deformity following a motor vehicle accident JF - Emergency Medicine Journal JO - Emerg Med J SP - 449 LP - 473 DO - 10.1136/emermed-2020-210054 VL - 38 IS - 6 AU - Wen-Wei Li AU - Cheng-Chang Lu Y1 - 2021/06/01 UR - http://emj.bmj.com/content/38/6/449.abstract N2 - A 60-year-old male patient presented to the ED with a painful deformity of the left knee following a motor vehicle accident. He was unable to actively perform knee flexion and extension. Physical examination showed a swollen knee with fixed valgus-flexed deformation. The appearance of the knee joint revealed a puckered skin with a recession at the medial joint line (figure 1). The patient denied sensational loss or numbness of his distal limb with intact pulsation in distal limb dorsalis pedis and posterior tibial … ER -