CORRECT ANSWERS B The findings in this case are diagnostic of acute pulmonary embolism. Although this disorder has a long history of diagnostic conundrums, paradigms, and techniques, more than sufficient data are present here to support the diagnosis. Clinical findings. The patient exhibits the classic symptom of new and unexplained dyspnea. There is no other obvious or, for that matter, subtle cause. In addition, the risk of pulmonary embolism increases during the 6-week period after delivery. Her D-dimer value is very high (although her postpartum state probably also contributes to the elevation), and ultraso-nography confirmed the presence of a deep venous thrombosis. Thus, mul-tidetector CT is not necessary for this patient; in fact, there is at least a theoretical contraindication of significant radiation exposure.
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