Improving Prognosis Estimation in Patients with Heart Failure and the Cardiorenal Syndrome

Table 1

Classification scheme of the different types of the cardiorenal syndrome.

Type	Name	Description
1	Acute CRS	Acute worsening of heart function leading to kidney injury and/or dysfunction
2	Chronic CRS	Chronic abnormalities in heart function leading to kidney injury and/or dysfunction
3	Acute renocardiac syndrome	Acute worsening of kidney function leading to heart injury and/or dysfunction
4	Chronic renocardiac syndrome	Chronic kidney disease leading to heart injury, disease, and/or dysfunction
5	Secondary CRS	Systemic conditions leading to simultaneous injury and/or dysfunction of heart and kidney