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.
Hemolysis is the main cause of the signs, symptoms, and serious health problems in PNH, including some that are life-threatening. 1  Hemolysis is the destruction of red blood cellsA type of cell found in your blood that delivers oxygen and removes waste (carbon dioxide) in your body.t can also lead to signs and symptoms like 2,4 1  : FatigueTiredness, trouble concentrating, dizziness, and weakness to the point where even normal, everyday activities become a struggle. 2  In PNH, fatigue is often out of proportion to the amount of anemia, as measured by hemoglobin, because it is affected by hemolysis.