Thromboembolism occurs when a blood clot (from a deep vein thrombosis) in a leg vein breaks off and travels through the body to the lungs where it becomes lodged and blocks blood flow.

当下肢静脉中的血凝块（来自深静脉血栓形成）脱落并通过身体移动到肺部，在那里沉积和阻塞血流时，就发生血栓栓塞。

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"If people come in and say my chest hurts, that gets attention, but if they say my leg hurts when I walk a couple of blocks, most doctors don't think that is a big deal, " says William Hiatt, professor of cardiovascular research at the University of Colorado School of Medicine and chairman of the American Heart Association's Peripheral Vascular Disease Council.

WSJ: Peripheral Artery Disease (PAD) - When Achy Legs Are a Warning

Just as he did against Hankey, Chisnall flew out of the blocks after the break, taking the next two sets, while only giving up one leg to his more experienced opponent.

BBC: Adams survives to set up BDO final against Chisnall

Russ Smith scored 23, Gorgui Dieng had 14 points, 11 rebounds and four blocks, and top-seeded Louisville put aside the shock from Ware's gruesome leg injury to earn a second straight trip to the Final Four with an 85-63 victory over Duke on Sunday afternoon.

NPR: Louisville Beats Duke 85-63 To Reach Final Four