Figure 1.
Differences among the subtypes of cardiorenal syndrome (CRS). (a) CRS type 1 or acute cardiorenal syndrome; (b) CRS type 2 or chronic cardiorenal syndrome; (c) CRS type 3 or acute reno-cardiac syndrome; (d) CRS type 4 or chronic reno-cardiac syndrome; (e) CRS type 5 or secondary cardiorenal syndrome. GFR: glomerular filtration rate; LV: left ventricular. Modified from [7].