Hypocalcemia – Definition, Signs and Symptoms Nursing Mnemonic



  • C-Convulsions
  • A-Arrhythmias
  • T-Tetany
  • S-Spasms and stridor


Hypocalcemia is low levels of calcium in the blood. Large of stores of calcium are in the bone. Calcium blocks sodium channels, inhibiting depolarization of muscle and nerve fibers. The effects of hypocalcemia are a result of muscle fibers being more excitable.

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