Demi Lovato - Heart Attack - Single

"Heart Attack" is a song by American recording artist Demi Lovato. The song was released on February 24, 2013, as the lead single from her self-titled fourth studio album Demi (2013). The song was produced by Mitch Allan and Jason Evigan of "The Suspex", who co-wrote the song along with Lovato, Sean Douglas, Nikki Williams, and Aaron Phillips. "Heart Attack" is an electropop song that employs cardiac motifs to represent the fear of falling in love. The song received critical acclaim from music critics, who complimented the lyrical content and Lovato's vocal range.

The song peaked number 10 on the U.S. Billboard Hot 100, becoming Lovato's third top-ten hit in the country. It was later certified double platinum by the Recording Industry Association of America (RIAA) for selling two million copies in the United States. "Heart Attack" performed moderately on international record charts, although it attained certifications in countries including Canada, Denmark, and the United Kingdom.

An accompanying music video for "Heart Attack" was directed by Chris Applebaum, and was premiered through Vevo on April 9, 2013. Lovato has performed the track on several television programs, and has also included the song on the set list of her headlining Neon Lights Tour (2014).