The Plural version is a lot more typical In line with Google ngram. It's also made use of for instance in Cambridge's dictionary. MarkMark 1111 bronze badge Include a comment In 1995, The Simpsons episode "Lisa the Vegetarian" aired. Ahead of recording their lines for the episode, showrunner David Mirkin, https://www.cureayu.com/blogs/heart-care/stages-of-heart-attack