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Figure 1. An 83-year-old woman who was taking acenocoumarol because of a previous pulmonary embolism presented with tiredness, a limp, and extensive bruising of both legs. Two weeks earlier, she had had multiple hematomas of the legs, which had been attributed to overanticoagulation. The dose of acenocoumarol was subsequently reduced. Examination revealed spontaneous flexion of the right hip, with tenderness elicited by stretching of the psoas muscle by extension of the hip — the psoas sign. The hemoglobin level was 9.3 g per deciliter, the platelet count was normal, and the prothrombin time was markedly prolonged (international normalized ratio, . . . [Full Text of this Article] |
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