organizational unit (OU) An organizational unit (OU) is a container within a Microsoft Active Directory domain which can hold users, groups and computers. It is the smallest unit to which an administrator can assign Group Policy settings or account permissions.
Blood Levels. Your blood potassium level can indicate that your potassium is low. Your physician can order a blood test to determine your levels. A typical level is between 3.6 and 5.2 millimoles per liter, a measurement of the potassium particles in your blood.If your potassium dips below 3.6 millimoles per liter, you may start to experience symptoms associated with hypokalemia.or your heart to beat regularly and your muscles to function properly, you need potassium. This mineral is present in many foods, especially fruits and vegetables.
Low potassium symptoms. Symptoms of low potassium are usually mild. At times the effects of low potassium can be vague. There may be more than one symptom involving the gastrointestinal (GI) tract, kidneys, muscles, heart and nerves. 1  Weakness, tiredness, or cramping in arm or leg muscles, sometimes severe enough to cause inability to move arms or legs due to weakness (much like a paralysis). 2  Tingling or numbness. 3  Nausea or vomiting.