Hi I have a little pain on my upper chest it's...

what are the causes of chest pain?

1. most common cause is muscle spasm
2. rib fracture
3. heart disease as angina or Myocardial Infarction which is not common because of the charecter of the pain you describe
4. pneumothorax or heamothorax

ً

1. rest , and cold compressor 
2. analgesia and muscle relaxant
3. anticoagulant as heparin
4. and catheter with stenting in case of coronary artery disease
5. chest tube insertion in case of gas in the pleura or blood in the pleura

what is the associated symptoms?

1. shortness of breath
2. palpitation
3. restlessness
4. feeling of drowness
5. los of consiousness
6. sudden death

what is the useful tests to diagnose the cause?

1. clinical exam
2. chest xray
3. ECG is very important
4. cardiac enzyme
5. echocardiography