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 - Causes. 1  Common causes of hypovolemia are [4] 2  Loss of blood (external or internal bleeding or blood donation [5]) 3  Loss of plasma (severe burns [6] [7] and lesions discharging fluid) 4  Loss of body sodium and consequent intravascular water; e.g. diarrhea or vomiting.