A method and apparatus for estimating a location of pulmonary and aortic components of second heart sounds of a patient over an interval. The method comprises the steps of producing an electronic representation of heart sounds of the patient over the interval, identifying at least one second heart sound...http://www.google.fr/patents/US7909772?utm_source=gb-gplus-shareBrevet US7909772 - Non-invasive measurement of second heart sound components
Non-invasive measurement of second heart sound components
