A hospital is a health care institution providing patient treatment by specialized staff and equipment..
Hospitals are usually funded by the public sector, by health organizations (for profit or nonprofit), health insurance companies, or charities, including direct charitable donations.
Historically, hospitals were often founded and funded by religious orders or charitable individuals and leaders.
Today, hospitals are largely staffed by professional physicians, surgeons, and nurses, whereas in the past, this work was usually performed by the founding religious orders or by volunteers.
Hospitals vary widely in the services they offer and therefore, in the departments (or "wards") they have. They may have acute services such as an emergency department or specialist trauma centre, burn unit, surgery, or urgent care. These may then be backed up by more specialist units such as:
Intensive care unit
Pediatric intensive care unit
Neonatal intensive care unit
Cardiovascular intensive care unit
Obstetrics and gynecology
Adolescent medicine Allergy/Immunology Anesthesia
Center for Communication Enhancement Critical Care medicine
Division of Developmental medicine Division of Developmental medicine Emergency medicine
Otolaryngology and Communication Enhancement Plastic and Oral Surgery Psychiatry
Pulmonary and Respiratory Diseases
Some hospitals will have outpatient departments and some will have chronic treatment units such as behavioral health services, dentistry, dermatology, ward, rehabilitation, and physical therapy.
Common support units include a dispensary or pharmacy, pathology, and radiology, and on the non-medical side, there often are medical records departments, release of information departments, Information Management (IM)(aka IT or IS), Clinical Engineering (aka Biomed), Facilities Management, Plant Ops (aka Maintenance), Dining Services, and Security departments