ST Değişiminin Wigner-Ville Dağılım Esaslı Erken Tespiti

Yıl 2018, Cilt: 22 Sayı: 2, 746 - 753, 15.08.2018

İlknur Kayıkçıoğlu Güzin Ulutaş , Fulya Akdeniz Temel Kayıkçıoğlu

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

Kaynakça

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