Right Heart Failure—Unrecognized Cause of Cardiorenal Syndrome

The cardiorenal syndromes (CRSs) are defined as disorders of the heart and kidneys, whereby acute or chronic dysfunction of one organ induces acute or chronic dysfunction of the other.1 Generally, CRSs are classified into five subtypes, which are conceptual and largely on the basis of expert opinion. Since the recognition of CRS as an entity, multiple studies have described its magnitude and pathophysiology. However, the majority of the patients...