The possibility of hypovolemia would be assessed. It is a state of decreased blood volume, more specifically, it is a decrease in the volume of blood plasma. It is the intravascular component of volume contraction or loss of blood volume due to things such as bleeding or dehydration.
Hypovolemia and volume contraction are sometimes used together. It is characterized by sodium depletion, and it is distinct from an excessive loss of body water, or dehydration. The primary objective is to replace the lost fluid and blood. Fever and hypotension are common features of hypovolemia.