Which adverse effect of gabapentin is of greatest concern for the 85-year-old patient?

The female patient’s hypertension is controlled with reduced sodium intake and enalapril and has no other health problems. Abdominal weight gain is noted at the patient’s regular checkup and a human chorionic gonadotropin test is positive. Further testing reveals the patient is 32 weeks pregnant. Which assessment is most important for the safety of the fetus in relation to the enalapril?

A patient with gram-negative sepsis is in the ICU after cardiac arrest. He requires a vasopressor for severe hypotension. Which patient characteristic would prompt the nurse to hold the infusion and contact the provider?