In this video you can learn about the structural features of the cardiac myocyte and how they correlate with the functional characteristics. This video also contains a detailed breakdown of working of a sarcomere and some clinical correlates regarding what happens during heart failure. Timeline: 0:00 - Introduction 0:19 - Gross introduction of heart wall structure 1:46 - Structure of myocardium and its association with its function 2:41 - Breakdown of myocyte structural composition 3:37 - Dark and light bands (actin and myosin) 5:52 - Sarcomere 7:02 - Ultrastructural features of thick and thin filaments 9:01 - Functioning of cardiac myocyte 13:30 - Mechanism in heart failure