A lecture on the pathogenesis and treatment of cardiorenal syndrome, which is a combination of various variants of renal and heart failure, is presented in the article. Currently, there are five types of this syndrome. All of them are discussed in detail from the view of relevance for urological practice.
In patients of the urological profile, II type, to a lesser extent III and V types of cardiorenal syndrome are most common. Moreover, type II, which is the simultaneous coexistence of chronic heart failure and chronic renal failure due to different (unrelated causal relationships) conditions, can significantly influence on the choice of surgical tactics. This question requires further research.
Type III of cardiorenal syndrome, which is a cardiac complication of a prolonged acute phase of acute renal failure, in most cases can be prevented through drug treatment and timely renal replacement therapy.
Type V cardiorenal syndrome, which represents a combined damage to the heart and kidneys within the same condition, apparently, occurs in urological practice in the most severe patients with metabolic syndrome, which allows to combine uric acid stones and other variants of gouty nephropathy into one nosology, naturally leading to progressive renal failure, ischemic heart disease and chronic heart failure.
In the section on treatment tactics, it is mentioned that there are no standard approaches to the treatment of cardiorenal syndrome in the literature. The restrictions in the choice and dosing regimen of cardiotropic drugs due to renal failure are considered in detail. The importance of timely hemodialysis is especially emphasized.
In conclusion, the authors suggest that the development of cardiorenal syndrome is due to the effect of potentiation with a significantly higher rate of progression of both renal and heart failure compared to isolated forms of both conditions.

Keywords: AHF, CHF, AKI, CKD, cardiorenal syndrome