<![CDATA[Cardiovascular system plays a vital role in the human body, as no cells or tissues can function properly without an adequate supply of oxygen and blood. When the cardiovascular system is impaired, the entire body is affected. Cardiovascular diseases, particularly heart and blood vessel disorders, are among the most common health problems experienced by the general population. To assist the public and healthcare professionals in providing education, consultation, and awareness regarding cardiovascular diseases, this study designed and developed an expert system application by implementing the Dempster–Shafer method. The Dempster–Shafer method determines the degree of belief based on the symptoms experienced by the user and combines evidence from multiple symptoms to calculate the probability of the cardiovascular disease being diagnosed. The final outcome of this research is an expert system capable of diagnosing cardiovascular diseases using the Dempster–Shafer method and providing the probability value for each diagnosis, representing the system's level of confidence in the identified disease. The developed system is expected to support preliminary diagnosis and improve public awareness of cardiovascular diseases while serving as a decision-support tool for healthcare professionals]]>
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