ST Değişiminin Wigner-Ville Dağılım Esaslı Erken Tespiti

Year 2018, Volume: 22 Issue: 2, 746 - 753, 15.08.2018

İlknur Kayıkçıoğlu Güzin Ulutaş Fulya Akdeniz Temel Kayıkçıoğlu

Abstract

EKG işaretinde ST değişiminin erken tespit edilmesi myokard enfarktüs önlenmesi açısından oldukça önemlidir. Bu çalışmada ST değişimin erken tespit etmek amacıyla Wigner-Ville dağılımına dayanan bir algoritma geliştirilmiştir. Algoritma MIT-BIH Aritmi ve European ST-T veritabanlarından üretilen büyük bir veride test edilmiştir. MIT-BIH veritabanından V1, V2, V4, V5 derivasyonlarında sağlıklı veya aritmi içeren 111688 R-R aralığı ve European ST-T veritabanından V1, V2, V3, V4, V5 derivasyonlarında 111688 tane ST değişimi olan R-R aralıkları seçilmiştir. Sınıflandırmada performans sonuçları doğruluk, duyarlılık, özgüllük ve pozitif öngörü, sırasıyla  %98,78,  %98,55, %99,0 ve %99,01 olarak bulunmuş olup bu değerler literatürdeki çalışmalara ait değerlerin üstündedir. Ayrıca önerilen algoritmanın hızı tele-tıp sistemleri için oldukça uygundur.

Keywords

Elektrokardiyagram(EKG), ST değişimi; Myokard enfarktüs; Wigner-Ville dağılımı; Teletıp

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