Poona Diagnostic Centre

The Calcium Test is a blood test performed to measure the level of calcium in the bloodstream. Calcium is a vital mineral essential for numerous physiological processes, including bone health, muscle function, nerve signaling, heart rhythm regulation, and blood clotting. This test provides valuable insights into conditions affecting bones, the cardiovascular system, nerves, and kidneys.

1. Total Calcium:

   • Measures the combined levels of free (ionized) calcium and calcium bound to proteins like albumin in the blood.
   • Provides an overall picture of calcium status but may be affected by protein levels in the body.
   • 
     

2. Ionized Calcium:

   • Measures the free, biologically active calcium in the blood.
   • This is the most accurate indicator of calcium available for critical functions, especially useful in critical care settings.

The Calcium Test helps diagnose and monitor a variety of conditions, including:

• Bone Disorders: Detects abnormalities in calcium levels caused by osteoporosis, osteomalacia, or Paget's disease.
• 
  
• Parathyroid Function: Identifies hyperparathyroidism (overactive parathyroid glands) or hypoparathyroidism, as these glands regulate calcium levels.
• 
  
• Kidney Disorders: Helps detect kidney stones or chronic kidney disease, where calcium metabolism may be impaired.
• 
  
• Heart and Neurological Disorders: Monitors calcium's role in heart function and nerve signaling, as imbalances can lead to arrhythmias or neurological symptoms.
• 
  
• Vitamin D Deficiency or Excess: As vitamin D regulates calcium absorption, abnormal levels may indicate an issue with vitamin D metabolism.
• 
  
• Cancer: Certain cancers, such as those affecting the bones, lungs, or kidneys, can lead to hypercalcemia.

Doctors may recommend this test for symptoms like muscle weakness, frequent bone fractures, kidney stones, irregular heartbeat, or unexplained fatigue.

Calcium levels in the blood are regulated by hormones, such as parathyroid hormone (PTH), and require proper levels of vitamin D for absorption. Abnormal results may require further testing, including PTH, phosphate, or vitamin D levels, to determine the underlying cause.

The test is essential for detecting imbalances early, allowing for timely intervention to restore normal calcium levels, support overall health, and prevent complications related to the bones, cardiovascular system, or kidneys.