Definition: Rehypothecated, also known as a postoperative hypotensive, is a condition where a patient's body becomes too depleted of blood to maintain their blood pressure. This can occur after major surgery or trauma and may lead to increased risk of infection or organ damage. The term "rehypothecated" refers to the fact that the body has become dehydrated and requires more fluids to keep up with its needs. This condition is often associated with severe bleeding, such as from