Thank you for the query.
You have provided a few symptoms which are related to different problems. Pain on the left side of the chest, radiating to the left arm and the neck, may need a cardiological evaluation. It may be symptoms of an unstable angina.
Your urinary symptoms may be due to enlargement of the prostate gland (frequent urination, incomplete urination)
Next Steps
You need to consult your physician, and get a 12 lead ECG done. An echocardiography may be done. Serum
lipid profile may be needed. Depending on the initial tests, a stress rest may be advised.
A USG lower abdomen may be done, to check for the prostate size and the residual urinary volume.
Health Tips
Depending on your investigation results, the required medications shall be started by your physician.