Platypnea–orthodeoxia syndrome: additive value of three-dimensional echocardiography
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Compliance with ethical standards
Conflict of interest
Andrea Rueda Liñares, Jose Alberto de Agustin, Jose Juan Gomez de Diego, Patricia Mahía, Pedro Marcos-Alberca, Carlos Macaya, and Leopoldo Perez de Isla declare that they have no conflicts of interest.
Human rights statements
All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later revisions.
Informed consent was obtained from the patient for being included in the study.
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