There are strong evidences to support that the modification of the characteristics of the second heart sound has a high correlation with the pulmonary arterial pressure (PAP). It is hence postulated that a specific heart sound spectrum for this disease group could be generated as a decision support system to help healthcare workers for the early detection of pulmonary hypertension. This paper described the design of a case-control study on identifying the heart sound pattern of people with pulmonary hypertension. In the proposed study, the heart sound of patients having pulmonary hypertension will be captured by an electronic stethoscope and processed into digital sound spectra which will be analysed to identify a specific heart sound pattern. In the future, an intelligent device will be developed based on the identified pattern to identify and diagnose early stage of pulmonary hypertension.
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