Figure 2.
Venting catheter insertion procedure. (A) The trans-septal puncture was performed with a trans-septal needle; (B) a guidewire was positioned in the LA through septal puncture; (C) the punctured interatrial septum was dilated with a dilator; (D) a venous cannula was used and introduced into the left atrium by a guidewire. LA, left atrium.