A Case of Platypnea Orthodeoxia Syndrome: A Persistent History Taking was the Key to the Diagnosis
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- Ohfuji Takashi
- Department of Respiratory Medicine, Kawasaki Medical School, Japan
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- Obase Yasushi
- Department of Respiratory Medicine, Kawasaki Medical School, Japan
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- Ikeda Masaki
- Department of Respiratory Medicine, Kawasaki Medical School, Japan
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- Obase Kikuko
- Department of Cardiology, Kawasaki Medical School, Japan
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- Hayashida Akihiro
- Department of Cardiology, Kawasaki Medical School, Japan
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- Okura Hiroyuki
- Department of Cardiology, Kawasaki Medical School, Japan
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- Kobashi Yoshihiro
- Department of Respiratory Medicine, Kawasaki Medical School, Japan
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- Yoshida Kiyoshi
- Department of Cardiology, Kawasaki Medical School, Japan
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- Oka Mikio
- Department of Respiratory Medicine, Kawasaki Medical School, Japan
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抄録
A 79-year-old woman who had been suffering from dyspnea on effort for more than 50 years was admitted for further examination and treatment. On the screening respiratory examinations, the A-aDO2 was elevated but none of diffusion disturbance, ventilation-perfusion ratio inequality nor right-to-left shunt was detected. Finally, the fact that the dizziness occurred only in sitting or standing position was revealed by persistent history taking. Transesophageal echocardiography in recumbent and sitting positions revealed the platypnea orthodeoxia syndrome associated with atrial septal defect. This case highlights the necessity of awareness of this syndrome and the occult atrial septal defect.<br>
収録刊行物
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- Internal Medicine
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Internal Medicine 51 (13), 1701-1704, 2012
一般社団法人 日本内科学会