Micro RNAs (miRNAs) are known to play an important role in gene expression regulation. Owing to their ever-increasing implications in the control of various biological and pathological processes, miRNAs have now been considered novel biomarkers of various human diseases including, cancer, viral disease, cardiovascular disorders, metabolic disturbances, etc. Unique expression profiles have been associated with specific pathological states. Cardiovascular disease is among the main causes of mortality in developed countries. The pathological process of the heart is associated with altered expression profile of genes that are important for cardiac function. The implications of miRNAs in the pathological process of the cardiovascular system have recently been recognized, and the research on miRNAs in relation to cardiovascular disease is now in rapid progress. The aim of this ebook is to present updated research on the subject with analyses from published reports. Micro RNAs and Cardiovascular Disease caters to the growing interest and information needs of cardiac clinicians and gene expression researchers.