Case Author(s): J. Wallis , 5/11/95 . Rating: #D1, #Q4

Diagnosis: Pulmonary embolism

Brief history:

Shortness of breath. Normal chest radiograph.

Images:

Perfusion images

View main image(vq) in a separate image viewer

View second image(vq). Xe-133 ventilation images, one minute per frame with washout images in the lower row.

The chest radiograph was normal.

Full history/Diagnosis is available below


Diagnosis: Pulmonary embolism

Full history:

The patient presented with recent onset of shortness of breath and chest pain. There was no fever or cough to suggest an infectious process.

Findings:

Multiple large defects are seen, including the apical-posterior and anterior segments of the left upper lobe, multiple left basilar defects, and a moderate defect at the right apex.

Ventilation scintigraphy was normal, as was the chest radiograph.

Discussion:

The findings easily meet the criteria for "high likelihood ratio for pulmonary embolism" in both the modified Biello and modified PIOPED schemes.

ACR Codes and Keywords:

References and General Discussion of Ventilation Perfusion Scintigraphy (Anatomic field:Lung, Mediastinum, and Pleura, Category:Organ specific)

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Case number: vq008

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