Six-year-old Hong, who showed no unusual symptoms, was diagnosed with mild scoliosis and mild tricuspid valve regurgitation during a pre-school health check-up.
Anh Viet, 31, weighing nearly 120 kg, frequently experienced shortness of breath, heart palpitations, and swollen legs; doctors diagnosed him with mitral valve regurgitation and hypertension.
Mr. Phat, 60 years old, experienced heart valve regurgitation for over 10 years and now suffers from shortness of breath; doctors diagnosed severe heart failure and performed valve repair surgery.
