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.
In most cases, low potassium is found by a blood test that is done because of an illness, or because you are taking diuretics. It is rare for low potassium to cause isolated symptoms such as muscle cramps if you are feeling well in other respects. Low potassium symptoms may include: 1  Weakness.  Fatigue.