Infant acute respiratory distress syndrome is a lung disorder that affects premature infants caused by developmental insufficiency of surfactant production and structural immaturity of the lungs. The symptoms usually appear shortly after birth and may include tachypnea, tachycardia, chest wall retractions (recession), expiratory grunting, nasal flaring and cyanosis during breathing efforts.

A congenital vascular malformation consisting of superficial and deep dilated capillaries in the skin which produce a reddish to purplish discolouration of the skin.