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Feb 10, 2023
Screening of disease is an important topic for the NEET PG exam because it is a crucial aspect of preventive medicine. Screening tests are used to identify individuals who are at an increased risk of developing a disease, even if they don't have any symptoms.
By identifying these individuals early, appropriate interventions can be initiated to prevent or delay the onset of the disease, or to manage it more effectively.
This is essential for ensuring public health and improving patient outcomes, and therefore is a key area of focus for medical professionals, including those who are preparing for the NEET PG exam.
In this blog, we’ll cover all the important aspects of screening of disease. Read on.
Screening |
Diagnosis |
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Important Information
Without using screening tests, when will the disease be diagnosed later and by using screening test, how much earlier a disease can be detected in early stages, i.e., leading the time for detection of diseases. It is an important advantage of screening.
NHP’s |
Screening |
Diagnosis |
1. TB |
Any patient with cough > 2 weeks |
Diagnostic test (India): Sputum smear by ZN stain Other tests: 1. CBNAAT (cartridge-based nucleic acid amplification test) 2. Automated liquid culture 3. Line Probe Assay 4. CXR 5. Tuberculin Test |
2. Malaria |
Any case of fever |
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3. Leprosy |
Any skin patch with Hypo-anesthesia |
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4. HIV |
E/R/S |
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5. DM |
RBS |
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6. Cervical Cancer |
VIA (visual inspection of the cervix with 5% acetic acid) > PAP Smear |
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7. Breast Cancer |
Mammography, MRI (young) |
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Disease Present | Disease Absent | |
ST +ve | TP (a) | FP (b) |
ST -ve | FN (c) | TN (d) |
- | Cases: a + c | Controls: b + d |
Important Information
Also Read: NEET PG 2023: High-Yield Topics For PSM
A. Specific protection
B. Early diagnosis and treatment
C. Disability limitation
D. Rehabilitation
A. Sensitivity
B. Specificity
C. Positive predictive value
D. Negative predictive value
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