What does k stand for on a blood test? K is the symbol for potassium. Normal levels are between 3.5 and 5.5 mmol/L. Values outside this range require immediate attention by a doctor, particularly values above 6 â¦.5 where there is a risk of the heart stopping.
Arthritis may also cause excess fluid to build up between joints and may ultimately cause the fluid to form a cyst on the foot. The symptoms of a ganglion foot cyst can vary depending on the individual. The cyst is typically circular with a firm texture that is slightly pliable when pressed.
Quick Answer. The cause of kidney cysts is not clear, but medical professionals theorize that the cysts develop when the kidney's surface layer forms a pouch and weakens, according to Mayo Clinic. Cysts develop when the pouch fills with fluid and detaches from the surface layer of the kidneys. Continue Reading.