In specific scenarios, however, an ionized calcium blood level may be requested—for example, in people who are malnourished, critically ill, or have chronic kidney disease. A low calcium level ...

This might actually be an early indicator of low calcium levels, particularly when it happens regularly. Known as paresthesia, this symptom occurs because calcium is critical for nerve signalling.

These data do not support an increased risk for adverse outcomes associated with concomitant ceftriaxone and calcium ... adult critically ill patients; however, our study was limited by low ...