Guinea is often subdivided into . Lower Guinea  and  Upper Guinea . Lower Guinea is one of the most densely populated regions of Africa, covering southern Nigeria, Benin, Togo and stretching into Ghana. It includes the coastal regions as well as the interior.
hypovolemic shock. 1. a type of shock caused by reduced blood volume, as from massive bleeding or dehydration. Compare cardiogenic shock, anaphylactic shock. hypovolemic shock n. Shock caused by a reduction in the volume of blood, as from hemorrhage. Discover our greatest slideshows.
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.