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.
Other causes of secondary hypertension are excess hormone secretion resulting from pheochromocytoma, excess secretion of hormones by pituitary tumors, coarctation (congenital narrowing of a short section of the aorta), pregnancy, use of oral contraceptives etc.