Refers to tubular cell death and acute deterioration in renal function
Aetiology
Ischaemic (most common) - almost always due to issues with blood supply to the kidneys e.g. hypotension, shock, malignant hypertension, polyarteritis nodosa and the haemolytic uraemic syndrome
Toxins - due to toxins or drugs
Post-renal ATN - caused by obstruction of the kidney, rarely cause significant issue