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Related Experiment Videos

Nonspecific tests for pulmonary embolism.

S G Weiner1, J L Burstein

  • 1Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.

Emergency Medicine Clinics of North America
|January 5, 2002
PubMed
Summary
This summary is machine-generated.

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Diagnosing pulmonary embolism (PE) relies on multiple tests, as most findings only increase suspicion. Specialized imaging remains the gold standard for PE diagnosis, though D-dimer shows promise for exclusion in specific patient groups.

Area of Science:

  • Pulmonary Medicine
  • Diagnostic Imaging
  • Clinical Laboratory Science

Background:

  • Numerous diagnostic tests exist for suspected pulmonary embolism (PE).
  • However, most clinical and laboratory findings are nonspecific for PE.
  • These nonspecific tests primarily serve to increase suspicion and guide further investigation.

Purpose of the Study:

  • To evaluate the role of various diagnostic tests in suspected pulmonary embolism.
  • To assess the current limitations and future potential of diagnostic markers like D-dimer.
  • To emphasize the importance of established diagnostic algorithms and imaging techniques.

Main Methods:

  • Review of existing literature and clinical guidelines for pulmonary embolism diagnosis.
  • Discussion of the utility and limitations of nonspecific clinical and laboratory tests.

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  • Exploration of the potential of D-dimer assays in specific patient populations.

    • Main Results:

    • Most available tests for PE are not definitive for diagnosis or exclusion.
    • Nonspecific findings heighten suspicion, necessitating further diagnostic procedures.
    • D-dimer measurement shows promise for excluding PE in young, healthy outpatients.

    Conclusions:

    • Current diagnostic algorithms for PE require a combination of tests and decision points.
    • Specialized imaging techniques remain the definitive standard for diagnosing PE.
    • Further research and technological advancements are needed to optimize D-dimer assays.