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",
Critical emergency medicine an incident. Anaesthesiologists specialised in CREM may have additional experience in organising healthcare responses to mass-casualty incidents and disasters, as well as training in management of CBRN defence, hyperbaric medicine, or organisation and coordination of emergency departments, burn centres, poison control centres, or emergency medical services. Internationally, there are two primary models of emergency medicine: the Anglo-American model, which relies on "bringing the patient to the hospital", and the Franco-German model, which operates through "bringing the hospital to the patient". In the Anglo-American model, the patient is rapidly transported by non-physician providers to definitive care, typically an emergency department in