Before you call renal: Acute kidney injury for hospitalists.

Acute kidney injury is a clinical problem of growing incidence in hospitalized patients. It increases the risk of poor outcomes, length of stay and the cost of hospitalization. Successful management of acute kidney injury requires early recognition and diagnosis through detailed medical history, careful physical exam, judicious use of laboratory and radiologic tests and timely renal consultation. Subsequent management is tailored to the likely mechanism of injury with emphasis on limiting both further injury and systemic consequences. A common sense approach to acute kidney injury is essential for hospitalists aiming to limit further injury, prevent acute complications and lessen the risk of chronic morbidity.