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Correspondence
The cloud of pulmonary embolism during COPD exacerbation
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We read with great interest the paper of Chang et al,1 published recently in Thorax. We totally agree with the fact that ‘cardiac involvement may be an important determinant of prognosis in COPD exacerbations’. In their study, Chang et al found that patients presenting with COPD exacerbation (defined as dyspnoea, cough or …
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Competing interests None.
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