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In this paper, a novel early prediction method based on Nested Long Short-Term Memory (Nested LSTM) is developed for sudden cardiac death risk detection. First, wavelet denoising and normalization techniques are utilized for reliable reconstruction of ECG signals from extreme noise conditions. Then, a nested LSTM structure is adopted, which can guide the memory forgetting and memory selection of ECG signals, so as to improve the data processing ability and prediction accuracy of ECG signals. To demonstrate the effectiveness of the proposed method, four different models with different signal prediction techniques are used for comparison. The extensive experimental results show that this method can realize an accurate prediction of the cardiac beat\u2019s starting point and track the trend of ECG signals effectively. This study holds significant value for timely intervention for patients at risk of sudden cardiac death.<\/jats:p>","DOI":"10.1186\/s12911-024-02493-4","type":"journal-article","created":{"date-parts":[[2024,4,10]],"date-time":"2024-04-10T06:01:58Z","timestamp":1712728918000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Early prediction of sudden cardiac death risk with Nested LSTM based on electrocardiogram sequential features"],"prefix":"10.1186","volume":"24","author":[{"given":"Ke","family":"Wang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Banteng","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meng","family":"Han","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,4,10]]},"reference":[{"issue":"11","key":"2493_CR1","doi-asserted-by":"publisher","first-page":"1777","DOI":"10.1093\/europace\/euac135","volume":"24","author":"J Barker","year":"2022","unstructured":"Barker J, Li X, Khavandi S, Koeckerling D, Mavilakandy A, Pepper C, et al. 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