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hypophosphatemia

A blood phosphate (phosphorus) level below normal.

hy-poh-fos-fuh-TEE-mee-uh noun

Word parts

What it means

Too little phosphate in the blood, usually below 2.5 mg/dL [0.81 mmol/L]. Phosphate helps cells make energy, so a low level can cause muscle weakness, including the breathing muscles, and confusion. Common causes are refeeding syndromeree-FEE-ding SIN-drohmDangerous shifts in fluids and minerals that can happen when a starved or severely malnourished person starts eating or being fed again.Full entry after starvation, alcohol use disorder, treatment of diabetic ketoacidosis, and antacids that bind phosphate. Its opposite is hyperphosphatemiahy-per-fos-fuh-TEE-mee-uhA blood phosphate (phosphorus) level above normal.hyper- abovephosphat phosphate-emia in the bloodFull entry .

For the nurse

When a malnourished client starts eating or tube feeding, check phosphate, potassium and magnesium as ordered, and report muscle weakness or slowed breathing.

At a glance

Also writtenhypophosphataemia, hypophosphatemic

Easy to confuse with

hyperphosphatemia

A blood phosphate (phosphorus) level above normal.

Related terms

hypo-

A word beginning that means under, below or less than normal.

-emia

A word ending that means a condition of the blood, or something in the blood.

phosphorus

A mineral in the blood and bones, measured as phosphate, that works with calcium to build bone and supply energy to cells.

hyperphosphatemia

A blood phosphate (phosphorus) level above normal.

refeeding syndrome

Dangerous shifts in fluids and minerals that can happen when a starved or severely malnourished person starts eating or being fed again.

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