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Screening, in medicine, is a strategy used to look for as-yet-unrecognised conditions or risk markers. [ 1 ][ 2 ][ 3 ] This testing can be applied to individuals or to a whole population without symptoms or signs of the disease being screened. Screening interventions are designed to identify conditions which could at some future point turn into ...
Prenatal testing. To monitor maternal and fetal health and progression, as well as, detect fetal abnormalities during pregnancy. Prenatal testing is a tool that can be used to detect some birth defects at various stages prior to birth. Prenatal testing consists of prenatal screening and prenatal diagnosis, which are aspects of prenatal care ...
A medical test is a medical procedure performed to detect, diagnose, or monitor diseases, disease processes, susceptibility, or to determine a course of treatment. Medical tests such as, physical and visual exams, diagnostic imaging, genetic testing, chemical and cellular analysis, relating to clinical chemistry and molecular diagnostics, are typically performed in a medical setting.
As of 2015 it is the most sensitive and specific screening test for Down syndrome. [13] Newborn heel-prick blood sample collection Newborn screening – used just after birth to identify genetic disorders that can be treated early in life. A blood sample is collected with a heel prick from the newborn 24–48 hours after birth and sent to the ...
In a physical examination, medical examination, clinical examination, or medical checkup, a medical practitioner examines a patient for any possible medical signs or symptoms of a medical condition. It generally consists of a series of questions about the patient's medical history followed by an examination based on the reported symptoms.
D000067716. Point-of-care testing (POCT), also called near-patient testing or bedside testing, is defined as medical diagnostic testing at or near the point of care —that is, at the time and place of patient care. [ 1 ][ 2 ] This contrasts with the historical pattern in which testing was wholly or mostly confined to the medical laboratory ...
One method is a stepwise approach where a suspicious result on a screening test is followed by diagnostic test. Alternatively, a more involved diagnostic test can be used directly at the first prenatal visit for a woman with a high-risk pregnancy. (for example in those with polycystic ovarian syndrome or acanthosis nigricans). [32]
chromosomal abnormalities. The triple test, also called triple screen, the Kettering test or the Bart's test, is an investigation performed during pregnancy in the second trimester to classify a patient as either high-risk or low-risk for chromosomal abnormalities (and neural tube defects). The term "multiple-marker screening test" is sometimes ...