The Acute Dialysis Quality Initiative classification of cardiorenal syndromes

General definition
Disorders of the heart and kidneys in which acute or chronic dysfunction in one organ may induce acute or chronic dysfunction of the other
Type 1: Acute cardiorenal syndrome
Acute worsening of cardiac function leading to renal dysfunction
Type 2: Chronic cardiorenal syndrome
Chronic abnormalities in cardiac function leading to renal dysfunction
Type 3: Acute renocardiac syndrome
Acute worsening of renal function causing cardiac dysfunction
Type 4: Chronic renocardiac syndrome
Chronic abnormalities in renal function leading to cardiac disease
Type 5: Secondary cardiorenal syndromes
Systemic conditions causing simultaneous dysfunction of the heart and kidney
  • From House AA, Anand I, Bellomo R, et al. Definition and classification of cardio-renal syndromes: workgroup statements from the 7th ADQI Consensus Conference. Nephrol Dial Transplant 2010; 25:1416–1420.