All medications and dosages taken in the 30 days before test day, How you felt at the time of the tests and, Content of meals and drinks in the 24-hour period before the test. Most Blood is drawn for Blood testing in the office of your physician, however, this is not always the case.
What is cyanosis? Cyanosis is a bluish color in the skin, lips and nail beds caused by a shortage of oxygen in the blood. Cyanosis occurs because blood with decreased oxygen turns blue or purple. This low-oxygen blood causes a blue-purple tint to the skin. What conditions cause cyanosis? Cyanosis is usually caused by problems of the heart, lungs or blood. Some of the defects or diseases that can cause a child to have cyanosis are: 1  truncus arteriosus. 2  total anomalous pulmonary venous return. 3  transposition of the great arteries. 4  tricuspid atresia. 5  pulmonary atresia. 6  atrioventricular canal defect. 7  pulmonary hypertension. 8  hypoplastic left heart syndrome.
A common symptom is a bluish tint to the skin, called cyanosis. Several defects can cause this type of heart disease, including: 1  issues with the heart valves (the flaps in the heart that make sure the blood flows through in the right direction).2  an interruption in the aorta (the largest artery in the body).utlook for Cyanotic Congenital Heart Disease. The outlook for cyanotic congenital heart disease is varies based on the severity of the underlying defects present in the child. In mild cases, the child may be able to live a normal lifestyle with minimal medications or other treatments.