A Patient Being Mechanically Ventilated Suddenly Develops Cardiac Dysrhythmias from Increasingly

A patient being mechanically ventilated suddenly develops cardiac dysrhythmias from increasingly higher PEEP. What underlying issue should the nurse suspect in this patient?

A) decreased cardiac output and acidosis
B) increased cardiac output and alkalosis
C) decreased cardiac output and renal failure
D) increased cardiac output and electrolyte disturbance