B1
a serious medical condition in which the heart does not get enough blood, causing great pain and often leading to death
Dictionary examples:
The teacher nearly had a heart attack when all students submitted their homework on time. (0.0)
My dad almost had a heart attack when he saw my new tattoo of his face. (0.0)
Tom's wife gave him a heart attack when she said she spent all their savings on shoes. (0.0)
John had a heart attack three years ago. (36.9)