When the internet went abuzz with the news of the Bollywood Diva s death it was learnt that she passed away due to cardiac arrest. However later the forensic reports said that the actress passed away due to accidental drowning. But till the time the forensic reports were out people were confused about cardiac arrest and mistook it for a heart attack. This is no surprise as the public in general uses the terms cardiac arrest heart attack and heart fail interchangeably. However they are three distinct and different conditions. So here we try to simplify and explain what each