What do i do if i have severe chest pains?

Severe chest pain: Severe chest pain implies the need to go to the doctor or the emergency room.

Multiple Causes: Chest pain can be a symptom of heart disease but may be may other things such as esophageal spasms, great vessel disease, respiratory disorders (asthma, COPD, bronchitis, infections), and muscle problems to name a few. It really depends on the clinical situation and other symptoms you may be having. it is very unlikely that at 28 it is serious but should see a doctor to get more information.