Symptoms of truncus arteriosus usually occur in the first few days of life. They include:  Blue or gray skin due to low oxygen levels. Excessive sleepiness. Poor feeding. Poor growth. Pounding heartbeat. Fast breathing. Shortness of breath. 
symptoms truncus arteriosus occur first days life  include:  blue gray skin due low oxygen levels  excessive sleepiness  poor feeding  poor growth  pounding heartbeat  fast breathing  shortness breath
truncus arteriosus