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Jorge Mateo, José Joaquín Rieta
The most extended noninvasive technique for medical diagnosis and analysis of atrial fibrillation (AF) relies on the surface elctrocardiogram (ECG). In order to take optimal profit of the ECG in the study of AF, it is mandatory to separate the atrial activity (AA) from other cardioelectric signals. Traditionally, template matching and subtraction (TMS) has been the most widely used technique for single-lead ECGs, whereas multi-lead ECGs have been addressed through statistical signal processing techniques, like independent component analysis...
February 1, 2013: Computers in Biology and Medicine
J Soongswang, K Durongpisitkul, A Nana, D Laohaprasittiporn, C Kangkagate, K Punlee, N Limpimwong
This study was conducted to assess the use of serum cardiac troponin T (cTnT) level as a noninvasive indicator to diagnose acute myocarditis in children. Noninvasive conventional methods often fail to diagnose myocarditis, A median cTnT level of 0.088 ng/ml (0.04-3.11) was reported in pediatric patients with acute myocarditis in our previous study. Hence, we attempted to determine the cutfoff level of cTnT to diagnose acute myocarditis in children. Pediatric patients with clinically suspected myocarditis or dilated cardiomyopathy (DCM) and a control group were recruited...
January 2005: Pediatric Cardiology
S Itoh, H Kobayashi, M Okuni
No abstract text is available yet for this article.
October 1980: Japanese Circulation Journal
N Hahn, E M Specht, U Loebell
No abstract text is available yet for this article.
March 1966: Zeitschrift Für Kreislaufforschung
J B Tingelstad, F O Shiel, C M McCue
No abstract text is available yet for this article.
March 1971: American Journal of Cardiology
N S Zhdanova, T K Aman-Kulieva
No abstract text is available yet for this article.
September 1966: Kardiologiia
F Polak
In this article shall be referred to a special form of reaction of the ST-T-complexes in the propranolol test. Instead of a normalisation of this section of the ECG an inverse reaction develops. It consists in the fact that after application of propranolol the negativities of the T-waves increase and the lowerings of the ST-distances deepen. They appear most frequently after an acute heart attack, such as after a spontaneous angina pectoris, and they can be reproduced only during some days. It is supposed that the cooperation of acute ischaemic myocardial processes with negative sequelae of the blockade of beta-receptors are responsible for this inverse reaction...
June 15, 1978: Zeitschrift Für die Gesamte Innere Medizin und Ihre Grenzgebiete
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