Diabetes Insipidus Also known as: DI Related conditionsContinue Reading Polyuria, polydipsia, nocturia, hypernatremia 1. Description of the problem What every clinician needs to know Diabetes insipidus (DI) is characterized by decreased activity of the antidiuretic hormone (ADH) vasopressin (VP) due to partial or complete failure of secretion (central or hypothalamic DI) or renal resistance to…
Dysnatremia: Hyponatremia Also known as: Hypoosmolarity Continue Reading 1. Description of the problem Hyponatremia is defined as a serum Na less than135 mEq/L. Hyponatremia may occur in the setting of hypotonciity (hypotonic hyponatremia) or as the result of accumulation of a non-electrolyte solute in the extracellular compartment (hypertonic hyponatremia). Hypotonic hyponatremia usually results from impaired…
Dysnatremia: Hypernatremia Also known as: Hyperosmolarity Continue Reading 1. Description of the problem Hypernatremia is a hyperosmolar state that results from disturbances in water balance. It is most often the result of water loss in excess of effective plasma solute (either pure water loss or loss of hypotonic fluid) and less commonly due to hypertonic…
