Interval placement of an endotracheal tube with the tip approximately 4 cm above the carina and a right internal jugular central venous sheath and catheter with the tip in the distal superior vena cava. No evidence of pneumothorax. Stable appearance of a left anterior chest wall dual lead pacer with unchanged lead position. Presence of a mitral valve prosthesis.
Pacemaker (Present) Suboptimal endotracheal tube (Present)