1. Headache
2. Fatigue
3. Restlessness
4. Muscle Weakness
5. Spasms/Cramps/Seizures
6. Coma
7. Thirst
8. Diagnostic Tests
8.1. Urine and blood samples are taken from patients during a water deprivation test, in which patients may not drink water for the duration of the test.
8.2. Urine Sample
8.2.1. Urine Osmolality
8.2.1.1. tests sodium concentration in urine
8.2.1.1.1. High sodium concentration
8.2.1.1.2. Low sodium concentration
8.2.1.2. tests water balance
8.2.1.2.1. concentrated urine (low water content)
8.2.1.2.2. diluted urine (high water content)
8.2.2. Electrolytes
8.2.2.1. Low electrolyte levels
8.2.2.2. High electrolyte levels
8.2.3. Typical Volume of Urine
8.2.3.1. normal to large volume
8.2.3.1.1. Central Diabetes Insipidus
8.2.3.2. Small volume
8.3. Blood Sample
8.3.1. ADH volume
8.3.1.1. high or normal ADH levels
8.3.1.2. low ADH
8.3.2. Electrolyte levels (potassium & salt)
8.3.2.1. high electrolyte levels
8.3.2.2. low electrolytes levels
8.4. Magnetic Resonance Imaging
8.4.1. an MRI is necessary to find any other diseases present that may be the cause of CDI (ex.prolactinoma, histiocytosis, syphilis, tuberculosis or other tumor or granuloma can affect pituitary function)
9. Excessive Urination
10. Diagnostic Tests
10.1. Blood Test
10.1.1. Osmolality Blood Test
10.1.1.1. Measure of the solvents within a given volume of a solvent
10.1.1.2. Tests the water balance in the blood serum; tests sodium concentration; tests for toxins
10.1.1.3. Testing for abnormalities
10.1.1.3.1. High water concentration
10.1.1.3.2. Low sodium concentration
10.1.1.4. Blood Test
10.1.2. Sodium Blood Test
10.1.2.1. tests sodium concentration within the blood
10.1.2.1.1. Low sodium concentration
10.1.2.1.2. Enough/too much sodium
10.2. Urine Sample
10.2.1. Urine Osmolality
10.2.1.1. Measures the amount of solvents found within a given volume of urine
10.2.1.2. Tests water balance and sodium concentration primarily
10.2.1.2.1. High water concentration
10.2.1.2.2. Low sodium concentration
10.2.1.2.3. No abnormalities
10.2.1.3. Urine Sample
10.2.2. Urine Sodium
10.2.2.1. tests sodium concentration within the urine
10.2.2.1.1. Low sodium concentration
10.2.2.1.2. Enough/too much sodium