20341 - DYNAMICS OF DISEASE AND DISEASE TRANSMISSION DR. I....

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: DYNAMICS OF DISEASE AND DISEASE TRANSMISSION DR. I. SELVARAJ DR. I. SELVARAJ I.R.M.S B.Sc., M.B.B.S., (M.D)., D.P.H., D.I.H., PGCH & FW /NIHFW/ NEW DELHI SENIOR DIVISIONAL MEDICAL OFFICER, INDIAN RAILWAYS (ON STUDY LEAVE) & Post Graduate Student in Community Medicine (M.D) at SREE RAMACHANDRA MEDICAL COLLEGE & RESEARCH INSTITUTE (DEEMED UNIVERSITY), CHENNAI, TAMILNADU, INDIA CONCEPT OF DISEASE A condition of the body or some part or organ of the body in which its functions are deranged. It is a mal-adjustment of human organism to the environment. I t is deviation from normal function. CONCEPT OF CAUSATION DEMONISTIC THEORY DEVILISITIC THEORY TRIDOSHAS THEORY FOUR HUMOURS THEORY YANG and YIN Principles GERM THEORY - Louis Pasteur, Robert Koch EPIDEMIOLOGICAL TRIAD MULTI FACTORIAL THORY Web of disease causation, Wheel of causation Henle-Kochs Postulates 1. The agent should be present in every case of the disease under appropriate condition 2. The agent should not be present in any other disease as a fortuitous and Non- Pathogenic agent 3. The agent must be isolated from the body of the individual in pure culture 4. It should induce disease in a new susceptible experiment animal NATURAL HISTORY OF DISEASE IT IS THE WAY IN WHICH A DISEASE EVOLVES OVER TIME FROM THE EARLIEST STAGE OF ITS PREPATHOGENESIS PHASE TO ITS TERMINATION AS RECOVERY, DISABILITY OR DEATH, IN THE ABSENCE OF TREATMENT OR PREVENTION NATURAL HISTORY OF DISEASE 1. PRE-PATHOGENIC PHASE OR SUSCEPTIBILITY STAGE 2. PATHOGENIC PHASE2....
View Full Document

This note was uploaded on 02/22/2012 for the course HIST 312 taught by Professor Staff during the Fall '10 term at Rutgers.

Page1 / 35

20341 - DYNAMICS OF DISEASE AND DISEASE TRANSMISSION DR. I....

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online