University:
Johns Hopkins University
Course:
ME.250.699. | Medicine Elective
Academic year:

2023
Views:

297

Pages:

3
Author:

Yasin N.

EpiclemiologyUnevinciDefenitionThe study g the distribution and determinants Ihealth-related states or events in Specified populationand the application g this study to the prevention &control g health problems.promoterUnrevious NJCLAnatomystudyIncludes Survicellance obser vation. hypothem testinganalytic research and experimentsDistributionrejers to analyin g time person places &classes g people affectedDates minantsIncludes Jaction that injury healthbiological chemind physical social; cullenal, economicgendie E behaniousalHealth related events & states rejess to d/s. behanious, suchasuse g tobacco positive health states, reaction to preveninregimes & peroniscon & we y health services.specified population Include thosewith identifiablecharacteristics such as occupational groups.Application to prevention E controlThe aims g public healthto promite, protect andrestorehealth,Major jocus I epidemiology is:Prevent E control d Isfor correct diagnosisPromote health.Correct heat mentSo need to know the causeHwhat is cause ??Cause 9 a dls or injury is am event, condition, chanacteristicas a combination I there Jaclons which plays an importantscole in producing health outcome. A came must precede thean outcome. Sufficient & Necessary causeSupjicientInevitably produces / initiates an out come.It cause present d/s always occur(Necessary' Outcom cannot develop in its absence4 cause absent, dls cannot occur.Each sujjicient course has a necessary cause as a componentEg: outbreak g a Joodbonne injection. salmonella diarrhoraSufficient cause is chicken salad & creamy denertNecenary cause is ingestion g Salmonella bacteriaNecen amMainutritionEgGeneticationExposuretobactericSusceptible hostInjectionTuberculosis1enoughpowerly)Deterministic causalityNeurary E sujjicientNecency but not sufjiventsujjucent but not recenaryNeither necemary hor sufficienteg Tobacco use cames cerebnovarcular d/s11 is of interest that even in 1654, John snow thought that aliving organism was responsible Jon thedist- Able to prevent Cholena cover bejon the responsible argomins -let alone its MOA - had been identified Malmulation(GenjacturExpesius toconforminate waterincreasedingestion gCholerasusceptibilityV. CholerasPoverty