In the family of disorders known as hemophilia, a patient can usually complete the first two steps of hemostasis just fine, but they can't make an effective fibrin clot.

在被称为血友病的疾病家族中，病人通常可以很好地完成止血的前两个步骤，但是他们不能制造有效的纤维蛋白凝块。

In addition to lower levels of specific clotting factors, there are elevated levels of D-dimer, which is a fibrin degradation product that is produced when fibrin clots are broken down.

除了低水平的特定凝血因子外，尚有较高水平的D-二聚体，这是一种纤维蛋白降解产物，当纤维蛋白血凝块崩解时产生。