A modal auxiliary verb, often simply called a modal verb or even just a modal, is used to change the meaning of other verbs (commonly known as main verbs) by expressing modalityâthat is, asserting (or denying) possibility, likelihood, ability, permission, obligation, or future intention.
Euthymia (medicine) Euthymia is a normal non-depressed, reasonably positive mood. It is distinguished from hyperthymia, which refers to an extremely happy mood, and dysthymia, which refers to a depressed mood. It is a term used frequently in mental status exams.
Definition: A dilutional form of hyponatremia that occurs when the total serum sodium is normal or near normal, but the total body water is increased without clinically evident edema.1,3. Euvolemic hyponatremia is the form of hyponatremia most commonly found in hospitalized patients4.