1. Rotterdam (the Netherlands) This Dutch harbor was the largest in the world, until Shanghai and Singapore grew even larger in 1986. This satellite photo gives an indication of the size of the Port of Rotterdam. (Image via Mannlines) About an hour and a half to the south of Rotterdam is Antwerp, the largest port in Belgium.
Prolonged blood sugar extremes â blood sugar that's either too high or too low for too long â may cause various conditions, all of which can lead to a diabetic coma. 1  Diabetic ketoacidosis. If your muscle cells become starved for energy, your body may respond by breaking down fat stores. 2  Diabetic hyperosmolar syndrome. If your blood sugar level tops 600 milligrams per deciliter (mg/dL), or 33.3 millimoles per liter (mmol/L), the condition is known as diabetic hyperosmolar syndrome. When your blood sugar gets this high, your blood becomes thick and syrupy.
Rating Newest Oldest. Best Answer: High glucose serum is referring to the glucose in the blood. Several things can cause a high glucose serum, including things you eat as well as stress.lucose = sugar, serum = blood. High glucose serum is high blood sugar. Most of the time, high blood sugar is caused by diabetes.