Cardiovascular System

{"ops":[{"insert":"Diagnosis and reasoning"},{"insert":"\n","attributes":{"header":1}},{"insert":"This pregnant woman has presented with acute swelling of her left lower limb; this should be considered to be due to deep vein thrombosis (DVT) until proven otherwise. Cellulitis is the other key differential diagnosis here, given the history of gestational diabetes. However, this is best considered if DVT is excluded.\n\nCompression ultrasound of the affected limb should be arranged as soon as possible. This shows filling defects in and non-compressibility of the left popliteal and femoral veins; and absence of flow augmentation to respiration. These findings are diagnostic of DVT.\n\nWells\u0027 score should not be employed, as it has not been validated for use in pregnancy. Quantitative D-dimer assays of limited value, as there is limited data on"}]}

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