booster seat as carry-on? We are flying to Maui in a few weeks - Air Canada. Miss 6 now has a simple booster seat that has no backrest. Until now, we have always put her full car/booster seat (complete with backrest) into one of those huge plastic bags the airline gives you & checked it.
Low potassium (hypokalemia) refers to a lower than normal potassium level in your bloodstream. Potassium is a chemical (electrolyte) that is critical to the proper functioning of nerve and muscles cells, particularly heart muscle cells.
Potassium (K) in Blood. A potassium test checks how much potassium is in the blood. Potassium is both an electrolyte and a mineral. It helps keep the water (the amount of fluid inside and outside the body's cells) and electrolyte balance of the body. Potassium is also important in how nerves and muscles work.