Hypocalcemia

Causes

• Hypoparathyroidism

• Pseudohypoparathyroidism

• Vitamin D deficiency

• Phenytoin, phenobarbital

• Renal failure

• Hyerphosphatemia

• Decreased and increased Mg

• Calcium complexing

• Miscellaneous

  • Hypoproteinemia

  • Toxic shock syndrome

  • Pancreatitis, malabsorption

Manifestations

Treatment

• General

  • Cardiac monitor

  • Correct other electroylyte abnormalities (including Mg)

• Specific

  • Asymptomatic – PO Ca gluconate

  • Symptomatic – 10% Ca gluconate 10 cc slow IV or IM (or 5% CaCl2 5 cc slow IV)