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Preventive healthcare strategies are described as taking place at the primal, [2] primary, [13] secondary, and tertiary prevention levels. Although advocated as preventive medicine in the early twentieth century by Sara Josephine Baker, [14] in the 1940s, Hugh R. Leavell and E. Gurney Clark coined the term primary prevention.
The healthcare system is organised into primary, secondary, and tertiary levels. At the primary level are Sub Centres and Primary Health Centres (PHCs). At the secondary level there are Community Health Centres (CHCs) and smaller Sub-District hospitals. Finally, the top level of public care provided by the government is the tertiary level ...
While the definitions of the various types of health care vary based on the different cultural, political, organizational, and disciplinary perspectives, there is general consensus that primary care constitutes the first element of a continuous health care process and may also include the provision of secondary and tertiary levels of care. [8]
A tertiary referral hospital (also called a tertiary hospital, tertiary referral center, tertiary care center, or tertiary center) is a hospital that provides tertiary care, [1] which is a level of health care obtained from specialists in a large hospital after referral from the providers of primary care and secondary care. [2]
Three sectors according to Fourastié Clark's sector model This figure illustrates the percentages of a country's economy made up by different sector. The figure illustrates that countries with higher levels of socio-economic development tend to have less of their economy made up of primary and secondary sectors and more emphasis in tertiary sectors.
Medical interventions that occur in communities can be classified as three categories: Primary care, Secondary care, and Tertiary care. [3] Each category focuses on a different level and approach towards the community or population group. In the United States, Community health is rooted within Primary healthcare achievements.
Primary care may be provided in community health centres. Primary care is a model of health care that supports first-contact, accessible, continuous, comprehensive and coordinated person-focused care. It aims to optimise population health and reduce disparities across the population by ensuring that subgroups have equal access to services.
Secondary hospitals typically serve as a bridge between primary care and tertiary hospitals, which offer highly specialized treatment. They are usually equipped to handle more complex medical conditions than primary centers, often including departments for surgery, general medicine, obstetrics , pediatrics , and emergency care .