Having a heart attack? You have been opted in for an experiment

https://www.dailypost.co.uk/news/north-wales-news/paramedic2-adrenaline-trial-guinea-pig-14327749


http://www.llanfyllin-gp.co.uk/website/W96012/files/Paramedic2%20DL%20Leaflet%20(3).pdf

Trial has now stopped but you most probably didn't know you were taking part.

Treatments

https://www.nursingtimes.net/clinical-archive/cardiology/understanding-the-drugs-used-during-cardiac-arrest-response/203172.article