Hi, I understand your concern and I ll try to help you. The clinical picture you reported is consistent with generalized anxiety syndrome. This state neuropsychic causes many bodily discomforts, such as the feeling of emptiness in the chest that you reported. Moreover, usually comes accompanied by sleeplessness, tremors and sweating in the hands and feet, as well as dysesthesia, palpitations, tension-type headache ... You are very young and you have a very low probability to have serious heart disease as a cause of this chest discomfort. The treatment for this syndrome need psychotherapy, medications such as tranquilizers and antidepressants, as well as a multidisciplinary team composed psychiatrist, psychologist, psychotherapist. While you wait for the service of the team, stay calm, seek peace of mind. Try yoga sessions, try team sports such as soccer, basketball, volleyball, hockey ... Hope I have answered your question. If you have any further questions I will be happy to help you. Wish you good health.