I would like to know if they anticoagulate patients with elevated D-dimer and if they do, what would be the values to determine anticoagulation or heparin prophylaxis. / 我想知道您们是否对D-二聚体水平偏高的患者施行抗凝。如果有这么做，抗凝素或肝素预防的计量标准是什么?