Abstract

We report a case of a patient with pulmonary hypertension who presented with acute hypoxemic respiratory failure. The patient had continued refractory hypoxemia despite a prolonged ICU admission that included ventilatory support, and empiric therapy for pulmonary embolism and pneumonia. Transthoracic echocardiography (TTE) revealed a patent foramen ovale (PFO), which after percutaneous closure resulted in profound improvement in hypoxemia and clinical status.

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