Nurse's Quick Reference to Common Laboratory & Diagnostic by Marshall B. Dunning, Frances Fischbach

By Marshall B. Dunning, Frances Fischbach

This full-color, transportable instruction manual comprises an alphabetical directory of universal laboratory and diagnostic checks, with nursing interventions, in a constant layout. the focal point is at the nurse's function in appearing, comparing, or helping with checks. medical signals all through spotlight important details. This variation comprises many lately licensed exams, in addition to the newest details on felony, moral, and questions of safety very important to nurses and their accelerated position in diagnostic testing.

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Extra info for Nurse's Quick Reference to Common Laboratory & Diagnostic Tests

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Accreditation by The Joint Commission requires critical value reporting to the physician in a timely manner along with proper documentation. Federal law also requires critical value reporting as part of the Centers for Medicare & Medicaid Services (CMS) guidelines. There may be circumstances in which a diagnostic test does not provide a clear result. As such, reporting of the result(s) may fall into one of three categories: (1) uninterpretable, that is, test did not meet specific procedural protocols or standards; (2) indeterminate, that is, test results are equivocal; and (3) intermediate, that is, test falls between a positive result and a negative result.

Qxd 27/10/2009 01:09 PM Page 33 Aptara PRETEST CARE: ELEMENTS OF SAFE, EFFECTIVE, INFORMED CARE 33 • The right to informed consent before certain tests and procedures pertains to patient autonomy, the ethical right of selfdetermination, the legal right to be free of procedures to which one does not consent, and to determine what will be done to one’s own person. Risks, benefits, and alternatives are explained and written consent is obtained well in advance of the procedure. • The patient must demonstrate appropriate cognitive and reasoning faculties to sign a legally valid consent.

Positive predictive values correctly identify individuals who have the disease, whereas negative predictive values identify individuals who do not have the disease. Positive predictive value equals the percentage of positive tests that are true positives (ie, individuals who do have disease). qxd 27/10/2009 01:09 PM Page 23 Aptara PRETEST CARE: ELEMENTS OF SAFE, EFFECTIVE, INFORMED CARE 23 values refer to the percentage of negative tests that are true negatives (ie, individuals who do not have disease).

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