The central aortic pressure waveform is actually composite of two separate pressure waves: 1) an incident wave generated by left ventricular ejection and 2) a series of reflected pressure wave is predominantly determined by the arrival time of the reflected wave, which is largely influenced by arterial stiffness. Dr David Winter, Vice-President of Scientific and Clinical Affairs for AtCor Medical, and Bobby Stutz, Senior Research Engineer for AtCor Medical provide an article on heart failures, and with their help we can learn more from the pulse.