Presence of an endotracheal tube approximately 5 cm above the carina, nasogastric tube with its distal tip within the stomach, and a right internal jugular Swan-Ganz catheter with its distal tip in the right ventricular outflow tract.
Suboptimal nasogastric tube (Present) Suboptimal pulmonary arterial catheter (Present) Suboptimal endotracheal tube (Present)