Non-invasive measurement of second heart sound components

Details Non-invasive measurement of second heart sound components Non-invasive measurement of second heart sound components

2011-03-22

2011-03-22

Layno, Carl H. (Department: 3766)

Surgery

Diagnostic testing

Cardiovascular

C600S485000, C600S586000

Reexamination Certificate

active

07909772

ABSTRACT:
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 in the interval using the electronic representation, for each identified second heart sound generating an estimated value for a location of the aortic component and the pulmonary component. There is also included a method for using the estimated location of the aortic component and the pulmonary component for estimation of the blood pressure in the pulmonary artery of a patient.

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patent: 6368283 (2002-04-01), Xu et al.
Adaptive Segmentation of Electroencephalographic Data using Non-Linear Energy Operator (Agarwal et al., Proceedings of IEEE '99, ISCAS'99, Orlando, Florida, 1999).

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