Confidence votes 11. 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.
Paroxysmal nocturnal hemoglobinuria (PNH) may cause unpredictable episodes of acute red blood cell destruction (hemolysis). This occurs when a part of your immune system called complement attacks red blood cells that lack certain protective proteins.
What are the Signs and Symptoms of PNH? The signs and symptoms of PNH can be similar to those of other diseases. It is important to discuss all of your symptoms with your doctor. It is an unpredictable disease that everyone can experience differently, even from day to day.