What is the normal value of calcium ions in arterial blood?

Jul 29, 2023 Source: Cainiu Health

Dr. Zhang Jianbin

Introduction

The normal concentration of calcium ions in arterial blood is 2.25–2.75 mmol/L. Calcium ions in the human body are generally stored in plasma and can usually be measured through blood sampling. The concentration of calcium ions is influenced by the body's acid-base balance. Under normal conditions, the level of calcium ions in arterial blood ranges from 2.25 to 2.75 mmol/L.

Under normal circumstances, the normal range of calcium ion concentration in arterial blood is 2.25–2.75 mmol/L. A detailed explanation is as follows:

Calcium ions in the human body are generally stored in plasma and can typically be measured through a blood test. The concentration of calcium ions can be influenced by the body's acid-base balance. Normally, the calcium ion level in arterial blood ranges from 2.25 to 2.75 mmol/L. Calcium ions help maintain the heart's normal rhythm, support myocardial cell contraction, influence cardiac conduction, and play a role in blood coagulation. If the calcium ion level in arterial blood falls outside the normal range, it may be caused by conditions such as hyperparathyroidism, kidney disease, or bone abnormalities. When calcium levels are too low, it may lead to increased muscle excitability, resulting in symptoms such as twitching, convulsions, and fractures. When calcium levels are too high, it may cause symptoms like atrial fibrillation or ventricular fibrillation, which could even be life-threatening.

If abnormal calcium ion levels are detected, it is recommended to seek medical attention promptly to prevent adverse effects.

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