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",
Emergency medicine their patients, as well as a changing culture away from defensive medicine can improve cost-effective use. A transition towards more value-based care in the ED is an avenue by which providers can contain costs. Doctors that work in the EDs of hospitals receiving Medicare funding are subject to the provisions of EMTALA. EMTALA was enacted by the US Congress in 1986 to curtail "patient dumping," a practice whereby patients were refused medical care for economic or other non-medical reasons. Since its enactment, ED visits have substantially increased, with one study showing a rise in visits of 26% (which is more