Related Experiment Video
Updated: Dec 23, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
Pulmonary embolism in patients with COVID-19: Time to change the paradigm of computed tomography
D C Rotzinger1, C Beigelman-Aubry1, C von Garnier2
1Cardiothoracic and Vascular Division, Department of Diagnostic and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Rue du Bugnon 46, 1011 Lausanne, Switzerland.
Insights
CT pulmonary angiography may benefit COVID-19 patients with sudden clinical worsening. This imaging technique offers advantages over standard chest CT scans for evaluating these critical cases.
Area of Science:
- Radiology
- Pulmonary Medicine
- Infectious Diseases
Background:
- COVID-19 can cause sudden clinical deterioration in patients.
- Standard non-contrast chest CT is commonly used for evaluation.
- Limitations exist in standard CT for detecting specific complications.
Observation:
- Sudden clinical worsening in COVID-19 patients warrants advanced imaging.
- CT pulmonary angiography (CTPA) provides detailed vascular and parenchymal assessment.
- Comparing CTPA to standard chest CT is crucial for diagnostic accuracy.
Findings:
- CTPA can identify pulmonary embolism and other vascular complications missed by standard CT.
- Enhanced visualization of lung vasculature aids in understanding disease severity.
- Early detection of thromboembolic events can guide timely treatment.
Implications:
- CTPA may improve diagnostic yield in critically ill COVID-19 patients.
- Consideration of CTPA could lead to earlier and more targeted therapeutic interventions.
- This approach may enhance patient outcomes by optimizing management strategies.
Objective:
To raise awareness for possible benefits of examining known COVID-19 patients presenting sudden clinical worsening with CT pulmonary angiography instead of standard non-contrast chest CT.
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