Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Platypnea-orthodeoxia Syndrome Associated with a Thoracic Vertebral Fracture Following a Car Accident
Ryota Fukuoka, Tomohiro Kawasaki, Hisashi Koga, Kyoko Umeji, Yoshiya Orita, Yoshiaki Shintani, Masataka Kajiwara, Takanori Higuchi, Koichiro Ishida, Takashi Fujimura
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Keywords: patent foramen ovale, paradoxical de-oxygenation, contrast computed tomography, tilt transesophageal echocardiography
JOURNAL OPEN ACCESS

2014 Volume 53 Issue 1 Pages 35-38

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Abstract

Platypnea-orthodeoxia syndrome (POS) is a rare clinical condition defined by the presence of dyspnea and deoxygenation accompanying changing from a supine to an upright position. We experienced the case of a 75-year-old woman who developed severe acute dyspnea after a car accident. Detailed history taking and a physical examination offered important clues that helped to make an accurate diagnosis of POS. The mechanism of onset is unique and rare; however, it is important for clinical cardiologists to keep this possibility in mind when making a differential diagnosis.

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© 2014 by The Japanese Society of Internal Medicine
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