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  2. MRI artifact - Wikipedia

    en.wikipedia.org/wiki/MRI_artifact

    A motion artifact is one of the most common artifacts in MR imaging. [2] Motion can cause either ghost images or diffuse image noise in the phase-encoding direction. The reason for mainly affecting data sampling in the phase-encoding direction is the significant difference in the time of acquisition in the frequency- and phase-encoding ...

  3. Artifact (error) - Wikipedia

    en.wikipedia.org/wiki/Artifact_(error)

    Such an artifact may be called a statistical artifact. For instance, imagine a hypothetical finding that presidential approval rating is approximately equal to twice the percentage of citizens making more than $50,000 annually; if 60% of citizens make more than $50,000 annually, this would predict that the approval rating will be 120%.

  4. Meaning [1] Latin (or Neo-Latin) origin [1] a.c. before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte every night Omne Nocte a.s., as, AS left ear auris sinistra a.u., au, AU both ears together or each ear aures unitas or auris uterque b.d.s, bds, BDS 2 times a day bis die sumendum b.i.d., bid, BID

  5. List of medical roots, suffixes and prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_roots...

    Second, medical roots generally go together according to language, i.e., Greek prefixes occur with Greek suffixes and Latin prefixes with Latin suffixes. Although international scientific vocabulary is not stringent about segregating combining forms of different languages, it is advisable when coining new words not to mix different lingual roots.

  6. Researchers in China recently discovered two new species of venomous spiders that could be of interest to the medical community. ... spiders have venom that is regarded as “medically significant ...

  7. List of medical abbreviations: 0–9 - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    Meaning Δ: diagnosis; change: ΔΔ: differential diagnosis (the list of possible diagnoses, and the effort to narrow that list) +ve: positive (as in the result of a test) # fracture: #NOF: fracture to the neck of the femur ℞ (R with crossed tail) prescription: Ψ: psychiatry, psychosis: Σ: sigmoidoscopy: x/12: x number of months x/40: x ...

  8. Clinical significance - Wikipedia

    en.wikipedia.org/wiki/Clinical_significance

    In broad usage, the "practical clinical significance" answers the question, how effective is the intervention or treatment, or how much change does the treatment cause. In terms of testing clinical treatments, practical significance optimally yields quantified information about the importance of a finding, using metrics such as effect size, number needed to treat (NNT), and preventive fraction ...

  9. List of medical abbreviations: M - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    Medical Literature Analysis and Retrieval System Online (U.S. National Library of Medicine) MELD: Model for End-Stage Liver Disease: MEN: multiple endocrine neoplasia: MeSH: Medical Subject Headings (U.S. National Library of Medicine) MET: metabolic equivalent: met: metastasis (pronounced like the word met; plural mets) MFM: maternal and fetal ...