Collapsed right atrium as an early sign of hypovolemia in VA ECMO
Compliance with ethical standards
Conflict of interest
Shek Yin Au, Ka Man Fong, Hiu Lam Helen Wu, and Wing Yiu George Ng declare that they have no conflict of interest.
This article does not contain any studies with human or animal subjects performed by any of the authors.
© Japanese Society of Echocardiography 2019