Factors affecting cardiac output are one of most important topic to understand . This video is using illustartion to explain cardiac output, heart rate and and stroke volume. Fcators affecting cardiac output are discussed in detail Timeline 0:00 Introduction 0:10 Cardiac output 0:46 Heart rate 0:53 Stroke volume 1:50 Factors affecting cardiac output 2:10 Chronotropic factors 2:50 Preload 3:33 Afterload 4:07 Contractility