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Today, even where ER modeling could be useful, it is uncommon because many use tools that support similar kinds of model, notably class diagrams for OO programming and data models for relational database management systems. Some of these tools can generate code from diagrams and reverse-engineer diagrams from code.
The Andersen healthcare utilization model is a conceptual model aimed at demonstrating the factors that lead to the use of health services. According to the model, the usage of health services (including inpatient care, physician visits, dental care etc.) is determined by three dynamics: predisposing factors, enabling factors, and need.
Entity–relationship modeling (ERM) is a conceptual modeling technique used primarily for software system representation. Entity-relationship diagrams, which are a product of executing the ERM technique, are normally used to represent database models and information systems. The main components of the diagram are the entities and relationships.
It is not a discipline to be put in the same set as the others, it is a meta-discipline whose subject matter can be applied within virtually any other discipline.” Source: Checkland, P. (1993) Systems Thinking, Systems Practice. John Wiley & Sons, Chichester. (p. 5). “The systems paradigm is concerned with wholes and their properties.
The health management system (HMS) is an evolutionary medicine regulative process proposed by Nicholas Humphrey [1] [2] in which actuarial assessment of fitness and economic-type cost–benefit analysis determine the body's regulation of its physiology and health.
A clinical pathway is a multidisciplinary management tool based on evidence-based practice for a specific group of patients with a predictable clinical course, in which the different tasks (interventions) by the professionals involved in the patient care are defined, optimized and sequenced either by hour (ED), day (acute care) or visit (homecare).
According to Dr. Relman, American health care system is a profit-driven industry and it has become a widely accepted theory these days. [10] Since the term was introduced 40 years ago, health care industry has developed into even a larger, greater and flourishing industry.
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 countries.