Iceberg phenomena by dr najeeb memon

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Iceberg phenomena by dr najeeb memon

  1. 1. “SPECTRUM OF DISEASE” & Iceberg Phenomenon BY DR: NAJEEB MEMON ASSIST: PROF: Faculty of Community Medicine & Public Health Sciences (FCM & PHS) Liaquat University of Medical & Health Sciences (LUMHS) Jamshoro, Sind, Pakistan e mail mnajeeb80@gmail.com
  2. 2. “SPECTRUM OF DISEASE”
  3. 3. SPECTRUM OF DISEASE Graphic representation of variation in manifestation of Disease
  4. 4. Like Spectrum of Light Where one Colors is merged in to others & We can not differentiate one color from others
  5. 5. SPECTRUM OF DISEASE (SoD) For every Disease (Except Rabies) Subclinical & In apparent Infections Illness Mild Severe Fatal Illness It is Simply reflection of individual’s state of immunity & receptivity E.g:-- Leprosy In Infectious Disease: SoD referred as a “Gradient of Infection”
  6. 6. Iceberg of Disease Peace of Ice in water
  7. 7. Subclinical & In apparent Infections Illness Mild Severe SPECTRUM OF DISEASE is related to Iceberg of Disease Fatal Illness
  8. 8. What a physician sees in community Clinical cases Peace of Ice floats on water Water line / Demarcation Most of portion remain under water Submerged huge portion is Hidden mass of disease (Latent, In apparent, Presymptomatic, undiagnosed cases & carriers) in the community. Subclinical Infection (Illness) E.g:- Diabetes/ Hypertension /Anemia / AIDS/ Hepatitis B & C, Mental illness Ice berg (IB) give better concept of Disease Prevalence in Society Hidden portion of (IB) is a challenge to Modern techniques in preventive medicine.
  9. 9. THANK YOU! 02/24/14 10

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