Got chest pain and pain in left arm?

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, lung collapse), and muscle problems to name a few. It really depends on the clinical situation and other symptoms you may be having. If you are concerned you should see a doctor to get more information.
Get eval asap. To be safe, cardiac cause of CP with l arm pain is needed to be ruled out asap.