A 58-year-old male patient is being transported by flight after suffering a myocardial infarction. He is currently stabilized but develops sudden oliguria and elevated serum creatinine levels. Which immediate intervention is most appropriate to prevent the progression of acute kidney injury (AKI) in this patient?
Initiate fluid resuscitation to maintain adequate perfusion
Administer diuretics to increase urine output
Wait for further renal function tests before initiating treatment
Monitor urine output and adjust fluid intake accordingly