A key step in the damage occurs when deposits of calcium build up on blood-vessel walls, setting the stage for the growth of plaque laden with fat, clotted blood, and immune cells.

• 损伤的关键期是当钙沈积在血管壁上的积聚，让充满脂肪的血小板、血凝块以及免疫细胞在其上积聚。