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DTIC ADA056532: Computer Identification of P Waves in Electrocardio... |
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by Defense Technical Information Center |
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Algorithms to locate and identify the P wave in single |
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lead electrocardiograms (ECG's) are developed and |
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evaluated on eighteen 12 second electrocardiogram |
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recordings. The program does not assume that the P wave |
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has any specific time relationship to the occurrence of |
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the QRS complex. The program searches the entire ECG to |
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locate the P wave in any part of the ECG. The program |
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divides the ECG into sections and classifies the sections |
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as P waves or some other wave. The first test selects the |
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sections that have a frequency domain pattern that is |
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similar to a training set P wave. The sections that pass |
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this test are checked for a periodic relationship with |
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past selected sections. If a section was selected at a |
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time assumed to be one P wave period before the present |
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one, the present one will be classified as a P wave. Of |
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the 209 P waves in the ECG records, 123 or 58.85% were |
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located correctly. There were 83 false classifications of |
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sections which were not P waves. (Author) |
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Date Published: 2017-06-06 22:51:26 |
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Identifier: DTIC_ADA056532 |
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Item Size: 50200444 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Flick,Charles A ; AIR F... |
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@chris85 |
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