Summary Flashcards
What are the 3 main ways a disease is detected?
Spontaneous presentation
Opportunistic case finding
Screening
Define screening
A systematic attempt to detect an unrecognised condition by the application of tests, examinations or other procedures, which can be applied readily and cheaply to distinguish between an apparently well person who probably have a disease and those who probably do not
What are the four categories in the criteria for screening programmes?
Disease
Test
Treatment
Programme
For a screening programme to be accepted what does the disease need to be?
Important health problem
Well understood
Early detectable stage
Cost effective interventions must be available
For a screening programme to be accepted what does the test need to be?
Simple and safe
Precise and valid
Acceptable to the population
What is a true positive result?
When the test correctly identifies the presence of disease
What is a false negative result?
Where the test says the patient does not have the disease when in actual fact, they do
What is a false positive result?
Where the test says the patient has the disease when really they don’t
What is a true negative result?
Where the test correctly says that the disease is not present
What is sensitivity?
If the disease is present, what is the chance that the test will pick it up?
What is specificity?
If the disease is absent, what is the chance that the test will correctly say it is absent?
What is positive predictive value?
If the patient has a positive test, what is the chance of them actually having the disease?
What is negative predictive value?
If the patient has a negative test, what is the chance of them actually not having the disease?
What are some examples of chronic illness work?
Illness work Everyday work Emotional work Biographical work Identity work
What are some milestones in illness work?
Getting a diagnosis
Symptom management
What is biographical disruption?
Loss of the taken for granted life a person expected
What is stigma?
A negative trait attributed to a group of persons, giving them ‘deviant status’
What is discreditable stigma and what is an example of it?
Nothing seen, but stigmatised if found out
HIV, mental illness
What is discredited stigma?
Physically obvious