Abstract
Cardiorenal syndrome (CRS) is a condition related to kidney and heart dysfunction. This syndrome is classified in five types: types 1 and 2 being cardiorenal syndromes where, respectively, an acute and chronic cardiac injury lead to renal dysfunction; types 3 and 4 are renocardial syndromes, in which, respectively, acute and chronic kidney damage lead to cardiac dysfunction; and, the fift…