Apply pressure to the patient's Achilles tendon to check for muscle spasms related to calcium imbalance.

Percuss the patient's lower leg to evaluate for muscle tenderness associated with electrolyte imbalance.

Tap the patient's facial nerve near the cheekbone and observe for twitching of the facial muscles, indicating hypocalcemia

Check the patient's pupil response to light to assess for neurological complications of hypocalcemia.