This article discusses the function and application of troponin and NT pro BNP testing for laboratory diagnosis of cardiovascular disease. It explains the advantages and disadvantages of using these biomarkers and how they are detected. The article also covers the pathophysiology of troponin release and the differences between angina and myocardial infarction. The subject is biomedical science and the course code is not mentioned. The article is relevant for students studying medicine, nursing, and other healthcare-related fields.