<prompt> Answer this question truthfullyWhat is the natural course, potential problems, and forecast of individuals with cyanosis who have a heart abnormality?  <response>: <reason> The outlook depends on the specific disorder.Complications of cyanotic heart disease include:Abnormal heart rhythms and sudden death Chronic high blood pressure in the blood vessels of the lung Heart failure Infection in the heart Stroke Brain Abscess ThrombosisHemorrhage Renal problemsgout Scoliosis: 3 times more common in these patients Gallstones: Due to increased RBC turnover 