ˈheart atˌtack noun [countable]

1. a sudden serious medical condition in which someone’s heart stops working normally, causing them great pain
have/suffer a heart attack

2. give somebody/have a heart attack informal to make someone suddenly feel frightened, surprised, or shocked, or to suddenly feel this way:
You almost gave me a heart attack there!

[TahlilGaran] Dictionary of Contemporary English ▲

heart attack
noun
ADJ. fatal | massive, serious She died of a massive heart attack.
mild, minor | suspected
VERB + HEART ATTACK have, suffer He suffered a fatal heart attack while cycling.
die from/of
 ⇒ Special page at ILLNESS

[TahlilGaran] Collocations Dictionary ▲