Diagnostic Criteria for Nonviable Pregnancy Early in the First Trimester

New criteria for the use of ultrasonography to assess prenatal viability, introduced by the Society of Radiologists in Ultrasound, will help ensure obstetricians are not too hasty in determining that an embryo has ceased developing.

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Clinical Criteria for Do-Not-Resuscitate (DNR) Orders in Acute Stroke

A DNR order may be written any time that two of the following clinical criteria are present and the prognosis has become clear for and shared whenever possible between physician(s), patient, and family (or appropriate surrogate).

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Histological Scoring System for Nonalcoholic Fatty Liver Disease (NAFLD)

Components of NAFLD Activity Score (NAS) and Fibrosis Staging

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