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  2. At-home Covid testing: When to test and what your results mean

    www.aol.com/news/home-covid-testing-test-results...

    If you were exposed to someone with Covid, Mina said you are unlikely to test positive in the first day or so. He recommends testing at two to three days after exposure, and if you’re negative ...

  3. What should you do if you’re still testing positive for COVID ...

    www.aol.com/news/still-testing-positive-covid-19...

    Ideally, if you have access to enough tests, you wouldn’t stop masking until you get two consecutive negative rapid test results taken 48 hours apart, Dr. Emily Volk, past president of the ...

  4. What to do if your COVID test expires — or if you test ...

    www.aol.com/covid-test-expires-test-positive...

    “With a confirmed positive COVID-19 test, you are most likely being sent home to rest, stay away from others, and recover,” UC Davis Health in California wrote Feb. 8 on its website. “This ...

  5. COVID-19 rapid antigen test - Wikipedia

    en.wikipedia.org/wiki/COVID-19_rapid_antigen_test

    Second, the person with a positive Antigen-RDT could be asymptomatic but a "contact of a probable or confirmed case." [10] Nevertheless, individual countries may have different case definitions of COVID-19; for example, in New Zealand a positive PCR test (not just a RAT) is necessary for a person to be considered a "confirmed case." [11]

  6. COVID-19 testing - Wikipedia

    en.wikipedia.org/wiki/COVID-19_testing

    For example, suppose incidence is 5%. Testing 100 people at random using a test that has a specificity of 95% would yield on average 5 people who are actually negative who would incorrectly test positive. Since 5% of the subjects actually are positive, another five would also test positive correctly, totaling 10 positive results.

  7. Schizophrenia - Wikipedia

    en.wikipedia.org/wiki/Schizophrenia

    Symptoms are described in terms of positive, negative, and cognitive symptoms. [3] [35] The positive symptoms of schizophrenia are the same for any psychosis and are sometimes referred to as psychotic symptoms. These may be present in any of the different psychoses and are often transient, making early diagnosis of schizophrenia problematic.

  8. What Really Causes a False Positive COVID-19 Test? Experts ...

    www.aol.com/false-positive-covid-19-test...

    If you test positive at home, don’t assume it’s a false positive, especially if you’re experiencing symptoms of COVID-19. “If you have no symptoms and are testing because of an upcoming ...

  9. Orthostatic vital signs - Wikipedia

    en.wikipedia.org/wiki/Orthostatic_vital_signs

    The results are only meaningful if performed in the correct order (starting with supine position). [2] [3] [4] Used to identify orthostatic hypotension, [5] orthostatic vital signs are commonly taken in triage medicine when a patient presents with vomiting, diarrhea or abdominal pain; with fever; with bleeding; or with syncope, dizziness or ...