Abstract
A patient developed symptomatic exercise-induced hypoxemia during pregnancy as a result of pulmonary arteriovenous microfistulas. Her symptoms resolved after pregnancy with spontaneous closure of the fistulas. Hormone-induced vasodilation is the probable mechanism.
MeSH terms
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Adult
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Arteriovenous Fistula / complications*
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Diagnosis, Differential
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Dyspnea / etiology
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Female
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Humans
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Hypoxia / etiology*
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Lung / blood supply*
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Pregnancy
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Pregnancy Complications*
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Pregnancy Proteins / physiology
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Remission, Spontaneous
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Vasodilation