Find out more about angina attacks:
Angina is a type of chest pain that someone gets when the arteries carrying blood to their heart muscle become narrowed. This can restrict the blood supply and cause pain.
In this video, a St John Ambulance trainer explains the common causes of an angina attack, the signs to look for, and how to help someone suffering from an angina attack.
Learn more life saving skills with St John Ambulance first aid training courses:
For more information follow us on Twitter or Facebook