The nurse notes that the client's serum calcium level is 6.0 mg/dL. Which of the following assessment findings would be anticipated in this client? Select all that apply
1. Tetany
2. Constipation
3. Renal calculi
4. Hypotension
5. Prolonged QT interval
6. Positive Chvostek's sign
1, 4, 5, 6
Rationale: The normal serum calcium level is 8.6 to 10 mg/dL; thus, the client's results are reflective of hypocalcemia. A low serum calcium level could lead to severe ventricular dysrhythmias and prolonged QT and ST intervals on the electrocardiogram. Calcium is needed by the heart for contraction. When the serum calcium level is decreased, cardiac contractility is decreased and the client will experience hypotension. The most common manifestations of hypocalcemia are caused by overstimulation of the nerves and muscles; therefore, tetany and presence of Chvostek's sign would be expected.
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