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| | Central Diabetes Insipidus: Pituitary Gland Disorders: Merck Manual Home Edition |
 | | Another type of diabetes insipidus, nephrogenic diabetes insipidus, may be caused by abnormalities in the kidneys (see Tubular and Cystic Kidney Disorders: Nephrogenic Diabetes Insipidus). |
 | | The diagnosis of central diabetes insipidus is confirmed if, in response to antidiuretic hormone, the person's excessive urination stops, the urine becomes more concentrated, the blood pressure rises, and the heart beats more normally. |
 | | The diagnosis of nephrogenic diabetes insipidus is made if, after the injection, the excessive urination continues, the urine remains dilute, and blood pressure and heart rate do not change. |
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