The heart dies a slow death. Shedding each hope like leaves.

心在慢慢枯死，希望像落叶般飘零。

youdao

When blockages suddenly become complete, the portion of heart muscle fed by that blocked artery is now deprived of oxygen and nutrients, thus it is injured or now dies.

当栓子完全阻塞血管后，该血管负责下的心脏肌肉就会失去氧气和营养的供应，从而受到伤害，甚至凋亡。

youdao

The two find themselves in a chilling (heh) situation when the engineer dies of a heart attack leaving just them and a female railroad worker trapped on the out of control train.

当两人发现列车驾驶员心脏病发死亡，只留下了一名女列车员后，就陷入了列车失控的极端境地。

youdao

Sometimes the heroic medical interventions he describes are futile: A desperately sick illegal immigrant a Guatemalan woman who arrived in the U.S. with a parasitic disease affecting her heart is given a heart transplant, but after the operation she dies anyway.

WSJ: Book Review: Twelve Patients

Smoking kills around 430, 000 Americans a year, but in many cases the link with death is hard to prove: for instance, a smoker who dies of heart disease may also be an overeater (or drinker).

ECONOMIST: The tobacco wars