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1 concepts of health & health care

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Concept of health
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1 concepts of health & health care

  1. 1. V.Lokeesan, BSN Lecturer (Prob) FHCS,EUSL.
  2. 2. DEFINITION OF HEALTH • “Health” is one of those terms people find it difficult to define. • Many definitions of health have been offered from time to time. Some of them include: a. “the condition of being sound in body, mind or spirit, especially freedom from physical disease or pain” [Webster]. b. “soundness of body or mind; that condition in which its functions are duly and efficiently discharged” [Oxford Dictionary]
  3. 3. DEFINITION OF HEALTH [cont…] c. “a condition or quality of the human organism expressing the adequate functioning of the organism in given conditions, genetic and environmental”. d. “a state of relative equilibrium of body form and function which results from its successful dynamic adjustment to forces tending to disturb it. It is not passive interplay between body substance and forces impinging upon it but an active response of body forces working toward readjustment” [Perkins].
  4. 4. W.H.O DEFINITION OF HEALTH The widely accepted definition of health is that given by World Health Organization (1948). It says that: “Health is a state of complete physical, mental and social wellbeing and not merely an absence of disease or infirmity”.
  5. 5. CHANGING CONCEPTS OF HEALTH Health has evolved over the centuries as a concept from an individual concern to a world-wide social goal comprising the whole quality of life. The changing concepts include: 1. Bio-medical Concept  Absence of disease then the person considered as healthy  The medical profession viewed the human body as a machine, disease as a consequence of the breakdown of the machine.  The job of the doctors was to repair the machine.  This model was inadequate to solve some of the major health problems e.g., malnutrition, chronic diseases, mental illness, etc.
  6. 6. CHANGING CONCEPTS OF HEALTH [cont…] 2. Ecological Concept  The ecologists viewed health as a dynamic equilibrium between man and his environment, and disease a maladjustment of the human organism to environment.  This concept talked about imperfect man and imperfect environment. 3. Psychosocial Concept  Developments in Social Sciences revealed that health is not only a Biomedical phenomenon, but one which is influenced by social, psychological, cultural, economic and political factors of the people concerned.
  7. 7. CHANGING CONCEPTS OF HEALTH [cont…] 4. Holistic Concept  The holistic model is a synthesis of all the above concepts.  It recognizes the strength of social economic, political and environmental influences on health.  The holistic approach implies that all sectors of society have an effect on health e.g., agriculture, food, housing, public works, etc.  The emphasis is on the promotion and protection of health.
  8. 8. CONCEPT OF WELL BEING • Psychologists have pointed that the “well – being” of an individual or group of individuals have “objective” and “subjective” components. • The objective components relate to such concerns as are generally known by the term “standard of living” or level of living”. • The subjective component of well – being (as expressed by each individual) is referred to as “quality of life”
  9. 9. CONCEPT OF WELL BEING [cont…] 1. Standard of Living  It refers to the usual scale of our expenditure, the goods we consume and the services we enjoy.  WHO defined standard of living as “income and occupation, standards of housing, sanitation and nutrition, educational, recreational and other services that are used individually as measures of socio – economic status and collectively as an index of the standard of living”
  10. 10. CONCEPT OF WELL BEING [cont…] 2. Level of living Parallel term for standard of living used in united nation documents- 9 components Health Food consumption Education Occupation and working condition Housing Social security Clothing Recreation and leisure Human rights
  11. 11. CONCEPT OF WELL BEING [cont…] 3. Quality of life (QoL) QoL was defined by WHO as: “The condition of life resulting from the combination of the effects of the complete range of factors such as those determining health, happiness (including comfort in the physical environment and a satisfying occupation), education, social and intellectual attainments, freedom of action, justice and freedom of expression”
  12. 12. CONCEPT OF WELL BEING [cont…] 4. Physical Quality of Life index (PQLI) • It is an index that consolidates three indicators, infant mortality, life expectancy at age one and literacy • For each component, the performance of individual countries is placed on a scale of 0 to 100, where 0 represents an absolutely defined ‘worst’ performance, and 100 represents an absolutely defined ‘best’ performance. • The composite index is calculated by averaging the three indicators, giving equal weight to each of them. The resulting PQLI is also scaled 0 to 100
  13. 13. CONCEPT OF WELL BEING [contd…] 4. Human Development Index (HDI)  It is defined as “ a composite index combining indicators representing three dimensions – life expectancy at birth, knowledge (adult literacy rate and mean years of schooling) and income.  The HDI is a more comprehensive measure and reflects achievements in the most basic human capabilities( being long life, knowledgeable and standard of living)  The HDI values ranges between 0 to 1
  14. 14. POSITIVE HEALTH • The state of positive health implies the notion of “perfect functioning” of the body and mind. • It conceptualizes health biologically as a state in which every cell and every organ is functioning at optimum capacity and in perfect harmony with the rest of the body, psychologically, as a state in which the individual feels a sense of perfect well- being and of mastery over his environment and socially as a state in which the individual's capacities for participation in the social system are optimal.
  15. 15. SPECTRUM OF HEALTH • The spectral concept of health emphasizes that the health of an individual is not static, it is a dynamic phenomenon and a process of continuous change, subject to frequent variations. • Health and disease lie along a continuum, and there is no single cut-off point. • The lowest point on the health-disease spectrum is death and the highest point corresponds to the WHO definition of positive health.
  16. 16. Health sickness spectrum Positive Health Better Health Freedom from Sickness Unrecognized Sickness Mild Sickness Severe Sickness Death
  17. 17. DETERMINANTS OF HEALTH • Health is multifactorial. • The factors which influence health lie both within the individual and externally in the society in which he or she lives. • The health of a man depends basically on 2 sets of factors – genetic and environmental. • These factors interact and these interactions may be health-promoting or deleterious.
  18. 18. Families Individuals Society Communit y Health Biological Aging of the population Socio-cultural Science and technology Health system Socio-economic Environmental Behavioural Human rights Equity and social justice Gender Information and communication Dimensions of health
  19. 19. DIMENSIONS OF HEALTH 1. Physical Dimension – The signs of a physically healthy person are:  Good complexion  Clean skin  Bright eyes  Firm flesh  Good appetite  Sound sleep  Regular activity of bowels & bladder  Smooth, easy, coordinated bodily movements.
  20. 20. DIMENSIONS OF HEALTH [cont...] 2. Mental Dimension – A mentally healthy person is:  Free from internal conflicts  Well adjusted  One who searches for identity  One has a strong sense of self-esteem  One who knows himself, his needs, problems and goals ( self actualization)  One who has good self-control -balances rationality and emotionality  Faces problems and solves problems intelligently
  21. 21. DIMENSIONS OF HEALTH [cont..] 3. Social Dimension 4. Psychological Dimension 5. Spiritual Dimension 6. Vocational Dimension 7. Cultural Dimension 8. Emotional Dimension 9. Educational Dimension
  22. 22. HEALTH CARE • It is defined as a “multitude of services rendered to individuals, families or communities by the agents of the health services or profession, for the purpose of promoting, maintaining, monitoring or restoring health. • Health care is an expression of concern for fellow human beings. • Health care is not medical care, but it includes medical care.
  23. 23. CHARACTERISTICS OF HEALTHCARE Health care has many characteristics: Appropriateness Comprehensiveness Adequacy Availability Accessibility Affordability Feasibility
  24. 24. LEVELS OF HEALTHCARE • Health services are usually organized at 3 levels, each level supported by a higher level to which the patient is referred . • These levels are: A) Primary Level – This is the first level of contact between the individual and the health system where “essential” health care is provided. B) Secondary Level – At this level, more complex problems are dealt with. This care comprises essentially curative services and is provided . C) Tertiary Level – This level offers super-specialist services. Regional/ Central level institutions provides not only highly specialized care, but also provides teaching.
  25. 25. REFERENCE Park,K.(2010). “ Park’s Textbook of Preventive and Social Medicine”. Ed 20. Bhanarsidoss Bhanot Publishers, Jabalpur, India.

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