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Health system. A health system, health care system or healthcare system is an organization of people, institutions, and resources that delivers health care services to meet the health needs of target populations. There is a wide variety of health systems around the world, with as many histories and organizational structures as there are nations.
The U.S. healthcare system has been the subject of significant political debate and reform efforts, particularly in the areas of healthcare costs, insurance coverage, and the quality of care. Legislation such as the Affordable Care Act of 2010 has sought to address some of these issues, though challenges remain.
Health care, or healthcare, is the improvement of health via the prevention, diagnosis, treatment, amelioration or cure of disease, illness, injury, and other physical and mental impairments in people. Health care is delivered by health professionals and allied health fields. Medicine, dentistry, pharmacy, midwifery, nursing, optometry ...
The four countries of the United Kingdom have separate but co-operating public health care systems that were created in 1948: in England the public health system is known as the National Health Service, in Scotland it is known as NHS Scotland, in Wales as NHS Wales (GIG Cymru), and in Northern Ireland it is called Health and Social Care in ...
An integrated delivery system ( IDS ), also known as integrated delivery network ( IDN ), is a health system with a goal of logical integration of the delivery (provision) of health care as opposed to a fragmented system or a disorganized lack of system. The term has sometimes been used in a broad sense with reference to managed care in general ...
Health information technology (HIT) is "the application of information processing involving both computer hardware and software that deals with the storage, retrieval, sharing, and use of health care information, health data, and knowledge for communication and decision making". [8] Technology is a broad concept that deals with a species' usage ...
The electronic health record (EHR) is a more longitudinal collection of the electronic health information of individual patients or populations. The EMR, in contrast, is the patient record created by providers for specific encounters in hospitals and ambulatory environments and can serve as a data source for an EHR. [6] [7]
Primary health care ( PHC) is "essential health care " that is based on scientifically sound and socially acceptable methods and technology. This makes universal health care accessible to all individuals and families in a community. PHC initiatives allow for the full participation of community members in implementation and decision making. [1]