Fluids and electrolytes: Polyuria, polydipsia, and diabetes insipidus
In this video Joel Topf looks at how you can easily differentiate between different types of diabetes insipidus.
Tag Diabetes Insipidus
Central Diabetes Insipidus
Diabetes insipidus (DI) is a condition caused by loss of the effect of antidiuretic hormone on the collecting ducts of the kidneys, resulting in loss of free water.
Diabetes Insipidus following TBI
Diabetes insipidus (DI) results from decreased secretion and action of anti-diuretic hormone (ADH). ADH is produced in the hypothalamus and transported to the posterior pituitary gland
Diabetes Insipidus DDx
Nature: Excessive loss of hypotonic urine Treatment: Fluid resuscitation greater than urine output Cause Central (Failed ADH secretion) Idiopathic (30%) CNS (60%) Tumour 25% Pituitary surgery, Sheehan’s, panhypopituitarism (20%) Head trauma (15%) CNS infection CVA, Aneurysm Sickle cell anaemia Respiratory…