CH&E 4010 Lecture Notes - Lecture 5: Chemotherapy, Hypertension, Migraine
12 May 2021
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Learning objectives: define the validity and reliability of screening and diagnostic tests, compare measures of validity, including sensitivity and specificity. Illustrate the use of multiple tests (sequential and simultaneous testing) Once you have symptoms, we are talking about diagnostic test. So when we are talking about screening test, we are talking about people who have no symptoms. Once a carcinoma is detected, the tests performed are diagnostic tests. But before symptoms are detected, they are screening for colorectal cancer. Screen or diagnose: case 1: happy birthday! Marcel j. has just turned 50, is feeling better than ever, and along with his birthday cards has received a stool sample test from the nova scotia colorectal cancer care program. Screening test: average risk/population screening (based on age, case 2: anna p. is 23 years old. She is visiting her gp to renew her migraine medication.
