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.
Hypovolemia means any decrease in the blood volume and does not already mean hypovolemic shock. For example, donation of 500 mL blood causes hypovolemia, but usually not shock 12.Hypovolemic shock may start to develop at 10-20% blood loss (0.5-1 liter blood) because of inadequate perfusion of the body tissues.ypovolemia means any decrease in the blood volume and does not already mean hypovolemic shock. For example, donation of 500 mL blood causes hypovolemia, but usually not shock 12.