I have anxiety/panic attacks and get a lot of physiological symptom(fast heart,throat tightness,chest pain)recently i have a sinking feel in heart....

Testing is needed: obtain an ambulatory 24 hour EKG monitor and be sure your symptoms are not due to a cardiac arrhythmia or inappropriate sinus tachycardia, most of which are treatable. Obtain a thyroid test as well. If your symptoms are due to anxiety, listen to them and use biofeedback to begin to control your heart rate and contraction force.

Please see a Clinical Psychologist with expertise in multiple types of psychotherapy to diagnose these multiple symptoms and formulate a treatment plan which may include medication prescribed by a Psychiatrist. Also, please have a complete physical exam to determine if some of your symptoms are due to a physical problem.