1. Volume 152, Issue 6, Pages e139-e142 (December 2017)
A 79-Year-Old Woman With Dyspnea and Hypoxemia That Worsened in an Upright Position 
Tjeerd van der Veer, MD, Johannes C.C.M. in ‘t Veen, MD, PhD, Wijnand K. den Dekker, MD, PhD, Jelle Miedema, MD 
CHEST 
Volume 152, Issue 6, Pages e139-e142 (December 2017)
DOI: /j.chest
Copyright © 2017 American College of Chest Physicians Terms and Conditions

2. Figure 1
Coronal (A) and sagittal (B) chest CT showing the dilated ascending aorta.
CHEST  , e139-e142DOI: ( /j.chest )
Copyright © 2017 American College of Chest Physicians Terms and Conditions

3. Figure 2
Echocardiography images (apical four chamber view) in decubitus (A) and standing position (B), showing the presence of air bubble contrast to confirm patent foramen ovale.
CHEST  , e139-e142DOI: ( /j.chest )
Copyright © 2017 American College of Chest Physicians Terms and Conditions