I first felt a knot in my chest when I was still in grade school. I was in grade 9 that year when I started feeling the straining sensation. I told my father one day after badminton practice about the strain in my chest, how it had worsened last year. I had serious difficulties catching my breath on multiple occasions. This is when my father picked up the phone and called Dr. Liu. He asked him what to do; “my son’s chest is so tight he cannot breath”. Dr. Liu told us to wait for him, that he is be able to help me. I was extremely worried as my situation felt very serious. Dr. Liu arrived early this year and treated me a total of 4 times. The tight straining sensation disappeared completely even when I was training on the court. I could breathe freely and currently I feel great!
