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What is A child has serum osmolality 270 and urine osmolality 1200. What is the most probable diagnosis? and explain in detail?
Discussing about the options one by one, Water deprivation Both serum osmolality and urine osmolality increase SIADH Serum osmolality decrease and urine osmolality increases Central diabetes insipidus Serum osmolality increase and urine osmolality decreases in diabetes insipidus (both central and nephrogenic) Nephrogenic diabetes insipidus