IONISED CALCIUM
The Ionised Calcium test measures the level of free (active) calcium in the blood, which is not bound to proteins like albumin. This form of calcium is biologically active and directly involved in important body functions such as muscle contraction, nerve transmission, heart function, and blood clotting. It provides a more accurate assessment of calcium status, especially in critically ill patients.
Abnormal ionised calcium levels can indicate various medical conditions. Low levels (hypocalcemia) may be associated with vitamin D deficiency, kidney disease, or parathyroid disorders, leading to symptoms like muscle cramps, tingling, or seizures. High levels (hypercalcemia) may occur in conditions such as hyperparathyroidism or certain cancers and can cause fatigue, nausea, or irregular heart rhythms. This test is often recommended when total calcium results are unclear or when protein levels are abnormal.
The Ionised Calcium test is simple and requires a blood sample, often handled under special conditions for accuracy. Reliable results help doctors assess calcium balance more precisely, diagnose underlying conditions, and guide appropriate treatment.