1 The largest (heaviest) flying bird today is the Kori Bustard (Ardeotis kori) of Africa, males weigh about 18kg, females about half that. 2  The largest bird ever to fly were the Teratorns (a type of Condor), the largest of which, Argentavis magnificens, had a wingspan of 3 metres, and weighed 120kg.
1 Low blood volume shock (hypovolemic shock). 2  This is one of the most serious, and sometimes life-threatening, complications of dehydration. 3  It occurs when low blood volume causes a drop in blood pressure and a drop in the amount of oxygen in your body. It occurs when low blood volume causes a drop in blood pressure and a drop in the amount of oxygen in your body. 2  Kidney failure. 3  This potentially life-threatening problem occurs when your kidneys are no longer able to remove excess fluids and waste from your blood. 4  Coma and death.
Shock-induced hypotension is the most serious form of the condition. Severe hypotension must be treated immediately. Emergency personnel will give you fluids and possibly blood products to increase your blood pressure and stabilize your vital signs.