The answer(s)Yes it is true !
StoryCardiac arrest is a sudden loss of blood flow resulting from the failure of the heart to pump effectively. Signs include loss of consciousness and abnormal or absent breathing. Some individuals may experience chest pain, shortness of breath, or nausea before cardiac arrest. If not treated within minutes, it typically leads to death.
https://youtu.be/3Lm52qkag_0
Wikipediahttps://en.wikipedia.org/wiki/Cardiac_arrest
Linkhttps://www.livescience.com/60903-sex-cardiac-arrest.html