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This is intended to ensure that the entire population has access to medical care on the basis of need rather than ability to pay.
Delivery may be via private medical practices or by state-owned hospitals and clinics, or by charities, most commonly by a combination of all three.
Medicine has existed for thousands of years, during most of which it was an art (an area of skill and knowledge) frequently having connections to the religious and philosophical beliefs of local culture.
For example, a medicine man would apply herbs and say prayers for healing, or an ancient philosopher and physician would apply bloodletting according to the theories of humorism.
The components of the medical interview The physical examination is the examination of the patient for medical signs of disease, which are objective and observable, in contrast to symptoms which are volunteered by the patient and not necessarily objectively observable.
The characteristics of any given health care system have significant impact on the way medical care is provided.For example, evidence on the effectiveness of acupuncture is "variable and inconsistent" for any condition, Medical availability and clinical practice varies across the world due to regional differences in culture and technology.Modern scientific medicine is highly developed in the Western world, while in developing countries such as parts of Africa or Asia, the population may rely more heavily on traditional medicine with limited evidence and efficacy and no required formal training for practitioners.Follow-ups may be shorter but follow the same general procedure, and specialists follow a similar process.The diagnosis and treatment may take only a few minutes or a few weeks depending upon the complexity of the issue.
On subsequent visits, the process may be repeated in an abbreviated manner to obtain any new history, symptoms, physical findings, and lab or imaging results or specialist consultations.