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Figure 1. A 51-year-old woman with mild hypertension for which she was taking a beta-adrenergic antagonist and a thiazide diuretic was sent to the emergency department because of the discovery of hypocalcemia (serum calcium concentration, 5.4 mg per deciliter [1.3 mmol per liter]) in an outpatient clinic earlier in the day. She described a five-day history of worsening paresthesias in her arms and legs and a one-day history of cramps in her hands and facial muscles. She had also had diarrhea intermittently for two weeks. She reported no alcohol ingestion. Physical examination revealed mild hyperreflexia, Chvostek's sign, and Trousseau's . . . [Full Text of this Article] |
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