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.
As with any medical emergency, a mental health emergency can be life threatening. Most of the time mental health emergencies are those involving the threat of suicide or the occurrence of an actual suicide attempt. Other types of mental health emergency may involve the threat of harm to another person. In a situation where a patient is decompensating or becoming psychotic and is being guided by audio/visual hallucinations it is sometimes possible that there is a threat posed to another person.