A 30-year-old woman was brought to the emergency room with a painfully swollen left leg. She informed the nurses that she was taking contraceptives. Deep vein thrombosis was suspected, and compression ultrasound was ordered to look for pulmonary embolism. A clotting test for APC resistance resulted in a 1.5 ratio of clotting time with and with out APC. An ELISA test for D-dimer was positive. The patient was immediately treated with heparin, and blood samples were taken. A blood sample was sent to the molecular genetics laboratory to test for the factor V Leiden 1691 G^A mutation and prothrombin 20210 G^A mutations. The results are shown below:
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