According to Wikipedia, the width of the Atlantic Ocean at its narrowest point is 2,848 kilometers (1,770 mi) between Brazil and Sierra Leone.
Patent ductus arteriosus (PDA) is a heart condition caused by the failure of the ductus arteriosus to close.The ductus arteriosus normally is a temporary blood vessel connecting the main vessel leading to the lungs (pulmonary artery) to the main vessel of the body (aorta).If the vessel remains open after birth, it is called a patent ductus arteriosus or PDA. PDA occurs in about 10 percent of newborns.f it doesnât close, the baby has the defect known as patent (open) ductus arteriosus. This defect occurs especially in premature babies who have had respiratory distress syndrome (difficult breathing) due to immature lungs. The cause of PDA is unknown.
patent ductus arteriosus patent ductus arteriosus pda is a condition in which the ductus arteriosus does not close the word patent means open the ductus arteriosus is a blood vessel that allows blood to go around the baby s lungs before birth soon after the infant is born and the lungs fill with air the ductus arteriosus is no longer needed it most often closes in a couple of days after birth if the vessel doesn t close it is referred to as a pda