Screening & Prevention UK Medical PG Flashcards - Medical Study Cards
Master Screening & Prevention with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Screening & Prevention Flashcard Deck - 10 Cards
Flashcard 11: In a Contigency Table what does FN mean?
_____
Where the Disease is Present and the test is Negative
Answer: False Negative
Flashcard 12: Specificity is described as the _____
Answer: proportion of patients without the condition who have a negative test result
Flashcard 13: What is the formula used to calculate Specificity:
_____
Answer: TN / (TN+FP)
Flashcard 14: What is the formula used to calculate Positive Predictive Value:
_____
Answer: TP / (TP + FP)
Flashcard 15: What is the formula used to calculate Negative Predictive Value:
_____
Answer: TN / (TN + FN)
Flashcard 16: What is the formula used to calculate "Likelihood ratio for a negative test result" :
_____
Answer: (1 - sensitivity) / specficity
Flashcard 17: What is the 'Timed up and Go test' in Falls assessment? 2
Answer:
• Patient is asked to get up from chair/bed and walk 3 metres then turn around and sit down again.
• Patient should be permitted to use their walking aid
Flashcard 18: What are risk factors for Falling? 12
Answer: 1. Lower limb muscle weakness
2. Vision Problems
3. Balance/gait distrubances (diabetes, RA, Parkinsons etc)
4. Polypharmacy (4+ medications)
5. Incontinence
6. >65
7. Having a fear of falling
8. Depression
9. Postural hypotension
10. Arthritis in lower limbs
11. Psychoactive drugs
12. Cognitive impairment
Flashcard 19: _____ & alcohol cessation decreases ↓ blood pressure
Answer: Smoking
Flashcard 20: Screen patient's blood pressure every _____ if high-risk (e.g. diabetes, family history, smokers, obesity)
Answer: 1 year
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