Polydipsia is possible to rule out psychogenic polydipsia or habit polydipsia. Polydipsia is a symptom (evidence of a disease state), not a disease in itself. As it is often accompanied by polyuria, investigations directed at diagnosing diabetes insipidus and diabetes mellitus can be useful. Blood serum tests can also provide useful information about the osmolality of the body's extracellular fluids. A decrease in osmolality caused by excess water intake will decrease the serum concentration of red blood cells, blood urea nitrogen (BUN), and sodium. Polydipsia Polydipsia is excessive thirst or excess drinking. The word derives from the Greek () "very thirsty",
Patient transport Patient transport Patient transport is a service that transfers patients to and from medical facilities in non-emergency situations. In emergency situations, patients are transported by the emergency medical services. Non-emergency patient transport is sometimes run by the same agency. It is typically provided to a patient who needs to be transferred to a facility that can provide a higher or more specialized level of care (though the EMS may be summoned if this is urgent). It may also be used to transfer patients from a specialized facility to a local hospital or nursing home when they no longer require this