When he was diagnosed with VSD at 2 months of age, it was a disease that could have been cured with surgical treatment. Unfortunately, however, no surgery was performed, and he was treated only with drugs such as cardiac medications and diuretics for a year. Injun did not come to the hospital after that, but was hospitalized for the first time in 8 years with cyanosis, fainting and hemoptysis. Kim Do-yoon, who arrived at the outpatient department with In-jun for an electrocardiogram, chatted naturally with his mother while waiting. One of the intern’s main tasks was to accompany children in the intensive care unit for examination. “At first, the hospital told me that the hole was small and that it would close naturally as it grew bigger. There were no symptoms when I took the medicine

