Undifferentiated critical congenital heart disease: Patterns of Presentation Pink baby: • Presents at 1-6 mo • increased pulm. blood flow • HF sx (tachypnea, FTT) after PVR falls; BNP useful for dx • L -> R shunt: PDA, VSD, AV canal defect, pink Tetralogy of Fallot Blue baby: • Hyperoxia test for cyanosis determines if cardiac or pulmonary source • Pre/post ductal CCHD screens catch blue baby defects most often Gray baby: • Presents < 1 month • Decreased systemic blood flow • Circulatory collapse • Left-obstructive ductal dependent lesion: hypoplastic left heart, coarc, interrupted arch, aortic stenosis • Ddx: ALCAPA Inspiration Article: https://www.ncbi.nlm.nih.gov/pubmed - Ann Young MD @annyoungMD #Congenital #HeartDisease #patterns #presentation #Differential #Pink #Blue #Gray #Baby #Peds #Pediatrics #Color #Venn
