Primary polydipsia symptoms, such as delusions involving fluid intake or other unusual behaviours. Primary polydipsia may have physiological causes, such as autoimmune hepatitis. Since primary polydipsia is a diagnosis of exclusion, the diagnosis may be made for patients who have medically unexplained excessive thirst, and this is sometimes incorrectly referred to as "psychogenic" rather than "primary" polydipsia. As a diagnosis of exclusion, a diagnosis of primary polydipsia may be the result of elimination of the possibility of diseases causing similar signs and symptoms, such as diabetes insipidus. Diagnosis may be complicated by the fact that chronic and extreme compulsive drinking may impair
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