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124 results

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Quoted phrase not found in phrase index: "Electrocardiogram U-wave abnormality"
Page 1
The U-wave: A remaining enigma of the electrocardiogram.
Kihlgren M, Almqvist C, Amankhani F, Jonasson L, Norman C, Perez M, Ebrahimi A, Gottfridsson C. Kihlgren M, et al. J Electrocardiol. 2023 Jul-Aug;79:13-20. doi: 10.1016/j.jelectrocard.2023.03.001. Epub 2023 Mar 5. J Electrocardiol. 2023. PMID: 36907158 Review.
The aim of this study was to review new information regarding the U-wave. Further to present the proposed theories behind the U-wave's origin along with potential pathophysiologic and prognostic implications related to its presence, polarity and morpho …
The aim of this study was to review new information regarding the U-wave. Further to present the proposed theories behind the …
Origin on the electrocardiogram of U-waves and abnormal U-wave inversion.
di Bernardo D, Murray A. di Bernardo D, et al. Cardiovasc Res. 2002 Jan;53(1):202-8. doi: 10.1016/s0008-6363(01)00439-4. Cardiovasc Res. 2002. PMID: 11744029
RESULTS: We show that delaying repolarisation in different regions of the heart cannot explain the U-wave, but show that the presence of after-potentials on the cardiac action potential do explain the U-wave polarity and other characteristic U- …
RESULTS: We show that delaying repolarisation in different regions of the heart cannot explain the U-wave, but show that the p …
Electrical Remodeling of Ventricular Repolarization Abnormality after Treatment in Pheochromocytoma: U Wave Finding in a Retrospective Analysis.
Di Stolfo G, Mastroianno S, Maggio A, De Luca G, Potenza DR, Salvatori MP, Russo A. Di Stolfo G, et al. Biomed Res Int. 2019 Apr 10;2019:2605323. doi: 10.1155/2019/2605323. eCollection 2019. Biomed Res Int. 2019. PMID: 31093497 Free PMC article.
OBJECTIVES: Analysis of abnormal ventricular repolarization focused on the presence and amount of U wave in patients affected by pheochromocytoma and its modification after surgery. ...CONCLUSIONS: In our retrospective analysis, patients affected by pheochrom …
OBJECTIVES: Analysis of abnormal ventricular repolarization focused on the presence and amount of U wave in patients af …
Multivariate analysis of TU wave complex on electrocardiogram in Andersen-Tawil syndrome with KCNJ2 mutations.
Horigome H, Ishikawa Y, Kokubun N, Yoshinaga M, Sumitomo N, Lin L, Kato Y, Tanabe-Kameda Y, Ohno S, Nagashima M, Horie M. Horigome H, et al. Ann Noninvasive Electrocardiol. 2020 May;25(3):e12721. doi: 10.1111/anec.12721. Epub 2019 Nov 14. Ann Noninvasive Electrocardiol. 2020. PMID: 31724784 Free PMC article.
PCA ratios in the ATS1 group were significantly larger than the control group (26.5 12.3 vs. 10.4 6.2, p = .0005). ICA revealed 1 or 2 U-wave-specific independent components (ICs) that exclusively comprise the U wave in ATS1, whereas U waves in the con …
PCA ratios in the ATS1 group were significantly larger than the control group (26.5 12.3 vs. 10.4 6.2, p = .0005). ICA revealed 1 or 2 U …
Phenotypes of Overdiagnosed Long QT Syndrome.
Bains S, Neves R, Bos JM, Giudicessi JR, MacIntyre C, Ackerman MJ. Bains S, et al. J Am Coll Cardiol. 2023 Feb 7;81(5):477-486. doi: 10.1016/j.jacc.2022.11.036. J Am Coll Cardiol. 2023. PMID: 36725176 Free article.
Furthermore, patients received misdiagnoses because of a positive family history of SCD that was deemed unrelated to LQTS (n = 46; 16%), isolated/transient QT prolongation (n = 44; 15%), or misinterpretation of the QTc interval as a result of inclusion of the U-wave …
Furthermore, patients received misdiagnoses because of a positive family history of SCD that was deemed unrelated to LQTS (n = 46; 16%), iso …
U-waves and T-wave peak to T-wave end intervals in patients with catecholaminergic polymorphic ventricular tachycardia, effects of beta-blockers.
Viitasalo M, Oikarinen L, Väänänen H, Kontula K, Toivonen L, Swan H. Viitasalo M, et al. Heart Rhythm. 2008 Oct;5(10):1382-8. doi: 10.1016/j.hrthm.2008.06.011. Epub 2008 Jun 12. Heart Rhythm. 2008. PMID: 18929323
OBJECTIVE: We tested hypotheses that patients with CPVT might show abnormal U-waves and TPE intervals and that beta-blockers could suppress appearance of these repolarization abnormalities. ...Patients with most ventricular extrasystoles had a higher U-wav …
OBJECTIVE: We tested hypotheses that patients with CPVT might show abnormal U-waves and TPE intervals and that beta-blockers could su …
Validation of an algorithm to reveal the U wave in atrial fibrillation.
Al-Karadi MS, Wilkinson AJ, Caldwell J, Langley P. Al-Karadi MS, et al. Sci Rep. 2018 Aug 9;8(1):11946. doi: 10.1038/s41598-018-30493-8. Sci Rep. 2018. PMID: 30093703 Free PMC article.
Major cardiac organisations recommend U wave abnormalities should be reported during ECG interpretation. However, U waves cannot be measured in patients with atrial fibrillation (AF) due to the obscuring fibrillatory wave. ...The algorithm offers the potentia …
Major cardiac organisations recommend U wave abnormalities should be reported during ECG interpretation. However, U wav …
U wave features in body surface potential mapping in post-myocardial infarction patients.
Wang B, Korhonen P, Tierala I, Hänninen H, Väänänen H, Toivonen L. Wang B, et al. Ann Noninvasive Electrocardiol. 2013 Nov;18(6):538-46. doi: 10.1111/anec.12071. Epub 2013 Jul 30. Ann Noninvasive Electrocardiol. 2013. PMID: 24303968 Free PMC article.
After signal averaging, the polarity changes of U wave related to the T wave were analyzed, and the spatial and temporal U wave parameters were computed. ...CONCLUSION: MI tends to increase the U amplitude and prolong the later part of U wave …
After signal averaging, the polarity changes of U wave related to the T wave were analyzed, and the spatial and temporal U …
124 results