Our training course includes quizzes of various types and content: subject-based quizzes, timed quizzes, and quick quizzes. After all the quizzes, you'll receive detailed statistics with tips for further preparation.
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A 70-year-old patient presents with confusion and lethargy. His laboratory data reveals serum sodium of 118 mEq/L, a low plasma osmolality, and inappropriately high urine osmolality. Considering his medication history, which element of his patient data is most consistent with a diagnosis of the syndrome of inappropriate antidiuretic hormone secretion (SIADH)?
Hyponatremia with low plasma osmolality and high urine osmolality in an euvolemic patient is characteristic of SIADH, often seen in patients with certain medications or neurologic conditions.
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Quiz
1/10
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Patient data
A 70-year-old patient presents with confusion and lethargy. His laboratory data reveals serum sodium of 118 mEq/L, a low plasma osmolality, and inappropriately high urine osmolality. Considering his medication history, which element of his patient data is most consistent with a diagnosis of the syndrome of inappropriate antidiuretic hormone secretion (SIADH)?
Hyponatremia with low plasma osmolality and high urine osmolality in an euvolemic patient is characteristic of SIADH, often seen in patients with certain medications or neurologic conditions.
