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Use of Fourier descriptors in atrial fibrillation and hypertension detection

Grant number: 15/07800-8
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): July 01, 2015
Effective date (End): December 31, 2016
Field of knowledge:Engineering - Biomedical Engineering - Bioengineering
Principal researcher:Cinthia Itiki
Grantee:Sam Jeong
Home Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Several investigations suggest that electrocardiography (ECG) and arterial blood pressure (ABP) present changes in pathologies. For example, an irregular cardiac frequency is typical of atrial fibrillation and is revealed in the ECG signal, while an increase in ABP values is characteristic of hypertension. This undergraduate research aims at investigating the contribution of Fourier descriptors--obtained from the ABP versus ECG curve--in the detection of hypertension and atrial fibrillation. The cardiac cycles are selected from ECG and PA signals provided by MIMICII-PhysioBank, version 3.Results obtained by Fourier descriptors will be compared with the ones provided by spectral components from the original ECG and ABP signals.

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