Residential Care / Assisted Living: What Is Residential Care for the Elderly? Residential Care Facilities for the Elderly (RCFE) serve persons 60 and older. They provide room, board, housekeeping, supervision, and personal care assistance with basic activities like personal hygiene, dressing, eating, and walking.
A potassium test is used to measure the amount of potassium in your blood. Potassium is an electrolyte important for the functions of cells.
Lab tests may be done to check the level of potassium in your blood and urine. Blood test results vary from lab to lab. Your doctor will explain your specific results. Many different factors can affect your potassium level. If your potassium level appears high, your doctor will likely repeat the blood test.