A patient being mechanically ventilated suddenly develops cardiac dysrhythmias from increasingly higher PEEP. What underlying issue should the nurse suspect in this patient?
1. decreased cardiac output and acidosis
2. increased cardiac output and alkalosis
3. decreased cardiac output and renal failure
4. increased cardiac output and electrolyte disturbance
Correct Answer: 1
Increasingly higher PEEP with decreased cardiac output and acidosis may predispose the patient to cardiac arrhythmias. Increased cardiac output does not occur with PEEP. Renal failure and electrolyte disturbances are not the likely causes for the cardiac dysrhythmias.
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