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Related Concept Videos

Sensitivity, Specificity, and Predicted Value01:13

Sensitivity, Specificity, and Predicted Value

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In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
Sensitivity is the...
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Receiver Operating Characteristic Plot01:15

Receiver Operating Characteristic Plot

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A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
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Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
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Serum Laboratory Studies, Stool Test, Breath Test01:30

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Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
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Documentation of Nursing Diagnosis01:10

Documentation of Nursing Diagnosis

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The nurse documents nursing diagnoses and enters them into the patient record. The identified patient's nursing diagnosis is either written out with a plan of care or entered into the electronic health record.
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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Evaluation of Aution Max AX-4280 automated urine test-strip analyser.

Clinical chemistry and laboratory medicine·2001
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Related Experiment Video

Updated: Mar 21, 2026

Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease
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Appropriateness of diagnostics tests.

P Cappelletti1

  • 1SIPMeL - Società Italiana di Patologia Clinica e Medicina di Laboratorio, Castelfranco Veneto (TV), Italy.

International Journal of Laboratory Hematology
|May 11, 2016
PubMed
Summary

Appropriateness in laboratory medicine, evolving from

Area of Science:

  • Laboratory Medicine
  • Clinical Pathology
  • Evidence-Based Practice

Background:

  • The concept of appropriateness in healthcare has evolved significantly over three decades.
  • It is now understood as integral to evidence-based medicine and applicable throughout the total testing process.
  • However, defining and implementing appropriateness in Laboratory Hematology remains challenging.

Purpose of the Study:

  • To explore the complexities and challenges of achieving appropriateness in Laboratory Hematology.
  • To identify practical strategies and essential competencies for successful implementation.

Main Methods:

  • The study reviews the evolution of the concept of appropriateness.
  • It analyzes the interplay of appropriateness with patient safety, costs, and clinical decision-making.
Keywords:
Appropriatenessevidence-based laboratory medicinelaboratory hematologytotal testing process

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  • It synthesizes expert consensus on practical rules and necessary interventions.

    • Main Results:

    • Appropriateness criteria are often not evidence-based or consensus-based.
    • Implementing appropriateness is complex due to ambiguous criteria, guideline adherence challenges, and individual patient variability.
    • Key strategies include multidisciplinary teams, clear targets, evidence generation, clinician engagement, and continuous auditing.

    Conclusions:

    • Achieving appropriateness in Laboratory Hematology requires a combination of educational, operative, and reinforcing interventions.
    • Success hinges on expertise in organization, implementation science, and interpersonal relationship management.
    • A holistic approach integrating knowledge of Hematology and Laboratory Medicine is crucial.