Angina is pain in the chest. It occurs when arteries supplying blood to the heart become narrowed and restrict blood flow. This can happen when doing exercise, including walking. It can also happen with increased excitement.
Signs and symptoms
The casualty may:
have a dull, heavy or vice-like central chest pain, that may spread to their jaw and down one or both arms
have pain which may ease with rest
have shortness of breath
experience sudden and extreme tiredness
feel anxious.

