A campaign has been launched by the Huntingdon based emergency medical charity Magpas, to encourage everyone to learn CPR.
The charity says it is treating an increasing number of cases of heart attacks in men and women and even children.
They say it's often members of the public who are first on the scene and who can make the biggest difference. Click below to watch a report by ITV News Anglia's Claire McGlasson.
More information on how you can learn life-saving skills can be found here:
The emergency medical charity MAGPAS is trying to get more people to learn the first aid skills of CPR. As part of the charity's campaign, former patients whose lives have been saved by CPR, are teaching others first aid.