Deficiencies of Vasopressin secretion and action - Diabetes Insipidus - Differential diagnosis
5 important questions on Deficiencies of Vasopressin secretion and action - Diabetes Insipidus - Differential diagnosis
What are the clinicial symptoms of DI?
- nocturia
- enuresis
- persistent thirst
- polyuria
How is DI evaluated?
- By taking a 24h urine sample comparing to the fluid intake
- for subcategorial diagnosis you can do a fluid restriction test, if AVP is high you've got nephrogenic polydipsia, if AVP is low you've got pituitary DI
- MRI of the hypothalamus/pituitary
How does desmopressin work?
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On which type of DI does desmopressin work?
How is primary polydipsia characterized on a MRI scan?
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