Pulmonary embolus and patent foramen ovale: a rare cause of refractory hypoxaemia.
case_report · Level V
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Abstract
A patient with a large pulmonary embolus is described. The striking features were those of cardiovascular stability with hypoxaemia and hypercapnia. Cardiac catheterization confirmed the pulmonary embolus; in addition there was found to be a patent foramen ovale (PFO), causing a large right-to-left shunt. Removal of the pulmonary embolus and closure of the PFO dramatically improved alveolar-arterial oxygen gradient and ventilatory requirements.
Medical subject headings
- Heart Septal Defects, Atrial
- Hypoxia
- Pulmonary Embolism