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.
Symptoms and signs of hypovolemia (pale, cool and moist skin, increased heart rate, weak pulse) may not be present until the blood volume decreases for more than 10-20%, when hypovolemic shock starts to develop.bsolute hypovolemia refers to a decreased volume of the fluid (blood) within the circulatory system in which the fluid leaves the body, for example in bleeding. In relative hypovolemia, the fluid from the circulatory system does not leave the body and it can refer to 2 different situations: