Tag: Tetralogy of Fallot

  • Cyanotic congenital heart disease

    A- General: 1- Definition: Cyanosis is a bluish coloration of the integument and mucous membranes that occurs when the capillary blood contains at least 5 g of reduced hemoglobin per 100 ml. 2- Clinic: Clinically, discreet cyanosis can be difficult to diagnose. It is more visible at the ends and mucous membranes (fingernails and feet,…