The nurse in the intensive care unit (ICU) is caring for a p…

The nurse in the intensive care unit (ICU) is caring for a patient diagnosed with acute respiratory distress syndrome (ARDS). Vital signs prior to intubation: HR 108 bpm, RR 32 rpm, BP 88/58 mmHg, and O2 saturation 82%. The patient is intubated and placed on mechanical ventilation with positive pressure ventilation (PEEP). Which assessment finding indicates a further decrease in cardiac output secondary to positive pressure ventilation?