( heart attacks)
If someone has a heart attack , their heart begins to beat very irregularly or stops completely.
He died of a heart attack brought on by overwork.
N-COUNT
( heart attacks)
If someone has a heart attack , their heart begins to beat very irregularly or stops completely.
He died of a heart attack brought on by overwork.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006