Electrolyte disturbances Quiz: Ace Your Exams
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A 47-year-old male presents to the emergency department with altered mental status. According to the paramedics, the patient was found obtunded in an alley with empty beer cans at his side. While nursing staff attempt to establish an IV, the patient begins seizing. Temperature is 37.0°C (98.6°F), pulse is 101/min, respirations are 11/min, blood pressure is 152/74 mmHg, and O2 saturation is 95% on room air. On physical exam, the patient appears disheveled with tetany in the upper and lower extremities bilaterally. The abdomen is soft and nondistended. The patient’s laboratory findings are demonstrated below:
Which of the following clinical findings is most likely to be present?
| Laboratory Value, Serum | Result |
| Sodium | 105 mEq/L |
| Potassium | 4.2 mEq/L |
| Chloride | 92 mEq/L |
| HCO3- | 20 mEq/L |
| BUN | 12 mg/dL |
| Creatinine | 1.1 mg/dL |
Which of the following clinical findings is most likely to be present?
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