The Single National Disability Rating Manual, established by Decree 917 of 1999 in Colombia, serves as a fundamental framework for assessing the degree of permanent impairment in individuals across various organ systems. This comprehensive guide ensures a standardized, equitable, and scientifically informed approach to determining disability, which is crucial for social security, labor, and legal contexts. Its meticulous design aims to provide clear criteria, ensuring consistency and fairness in evaluations. Official document representing Decree 917 of 1999, the cornerstone of disability rating in Colombia . This article, the second part of a detailed analysis, delves specifically into Chapter VII of the manual, focusing on the cardiovascular system. Understanding these guidelines is vital for medical professionals, legal practitioners, and individuals seeking disability benefits, as it outlines the precise methodology for evaluating anatomical or functional abnormalities of t...