All cells need calcium in order to work. Calcium helps build strong bones and teeth. It is important for heart function, and helps with muscle contraction, nerve signaling, and blood clotting.
This article discusses the test to measure the total amount of calcium in your blood.
Calcium can also be measured in the urine. See:
Ca+2; Serum calcium; Ca++
Blood is typically drawn from a vein, usually from the inside of the elbow or...Read more