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Related Experiment Videos

Diagnosing pulmonary embolism.

M Riedel1

  • 1Deutsches Herzzentrum und I Medizinische Klinik, Technische Universität München, Germany. m.riedel@dhm.mhn.de

Postgraduate Medical Journal
|June 12, 2004
PubMed
Summary
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Objective testing is crucial for diagnosing pulmonary embolism due to unreliable clinical assessment. Multidetector computed tomography is now the central imaging test for suspected pulmonary embolism.

Area of Science:

  • Medical Imaging
  • Diagnostic Medicine
  • Cardiopulmonary Medicine

Background:

  • Clinical assessment alone is unreliable for diagnosing pulmonary embolism, leading to serious consequences from misdiagnosis.
  • No single diagnostic test offers ideal sensitivity, specificity, safety, and cost-effectiveness for pulmonary embolism.
  • Pulmonary angiography, while definitive, is impractical for routine diagnosis due to low prevalence in suspected cases.

Purpose of the Study:

  • To evaluate the role of objective testing in diagnosing pulmonary embolism.
  • To determine the optimal initial diagnostic strategy based on clinical likelihood and patient factors.
  • To establish multidetector computed tomography as the central imaging modality for suspected pulmonary embolism.

Main Methods:

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  • Utilizing standardized clinical estimates to determine pre-test probability of pulmonary embolism.
  • Employing objective testing to refine the post-test probability of embolism.
  • Assessing the diagnostic capabilities of various imaging modalities, including multidetector computed tomography.

    • Main Results:

    • Multidetector computed tomography (MDCT) demonstrates the potential to replace both scintigraphy and angiography.
    • MDCT is effective for both exclusion and diagnosis of pulmonary embolism.
    • The choice of initial diagnostic test should be guided by clinical assessment and patient-specific factors.

    Conclusions:

    • Multidetector computed tomography should be considered the primary imaging investigation for suspected pulmonary embolism.
    • Integrating clinical assessment with objective testing improves diagnostic efficiency and accuracy.
    • Objective testing is essential for reliable pulmonary embolism diagnosis, mitigating risks associated with misdiagnosis.