According to the result of the dissection, the man died from heart attack.
根据解剖结果，此人死于心脏病发作。
He had a heart attack yesterday.
他昨天心脏病发作了。
give sb a heart-attack 的意思是吃惊，害怕，不难理解吧？
Well, he was ok , but I thought he was dead, he nearly gave me a heart-attack!
他没事，我还以为他死了，吓坏我了。
My girlfriend loves sky-diving. Every time I see her do it , It gives me a heart-attack.
我的女友喜欢跳伞，每次我看她跳伞的时候，我都很揪心。