The friability explains how portions of the vegetation can break off and embolize.由于赘生物的易碎，因此极易脱落和引起栓塞。
Amniotic fluid may gain access to uterine veins following a tear in the placental membranes and embolize to the lungs, producing acute dyspnea with cyanosis and shock.羊水通过羊膜的破裂口进入子宫静脉栓塞到肺，引起急性呼吸困难，伴面色苍白和休克。
