Unilateral absence of a pulmonary artery. Data from cardiopulmonary exercise testing.
case_report · Level V
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- Record sourced from PubMed, PMID 8417905.
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Abstract
A case of congenital, unilateral absence of a left pulmonary artery is described in a patient presenting with exertional dyspnea. Data from cardiopulmonary exercise testing suggest that the mechanism of dyspnea is secondary to a paradoxic elevation of the physiologic dead space to tidal volume ratio (VD/VT) during exercise.
Medical subject headings
- Exercise Test
- Pulmonary Artery