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Abstract
The cause of acute exacerbation of chronic obstructive pulmonary disease (COPD) is
often difficult to determine. Pulmonary embolism may be a trigger of acute dyspnoea
in patients with COPD.
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Division of General Internal Medicine, Department of Medicine, Geneva University Hospitals,
24 rue Micheli-du-Crest, 1211 Geneva 14, Switzerland. olivier.rutschmann@hcuge.ch