ST Değişiminin Wigner-Ville Dağılım Esaslı Erken Tespiti

İlknur KAYIKÇIOĞLU, Güzin ULUTAŞ, Fulya AKDENİZ, Temel KAYIKÇIOĞLU
604 148

Öz


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.

Anahtar kelimeler


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

Tam metin:

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DOI: http://dx.doi.org/10.19113/sdufbed.40216

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