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
Emergency medical services in Russia an agency that trains them as professional drivers. Ambulances are staffed at minimum by a nurse and feldsher. The driver is simply that-a driver with no medical or even specialized driver's training. Class 1 - A non-emergency patient transport vehicle used to shuttle patients between hospitals, clinics, and other medical facilities. Class 2 - A generic emergency ambulance staffed with feldshers trained and operating in Basic Life Support (BLS). Class 3 - Specialty Ambulance. In addition to the basic ambulance teams, various types of specialty units can respond, depending on what advanced patient care is needed. The most common is