Warning: Undefined array key "mm" in /www/wwwroot/www.ai-bt.com/si.php on line 10 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.ai-bt.com/si.php on line 10 Prominent J-wave and T-wave alternans associated with mechanical alternans in a patient with takotsubo cardiomyopathy.

Literature DB >> 26336523

Prominent J-wave and T-wave alternans associated with mechanical alternans in a patient with takotsubo cardiomyopathy.

Rintaro Hojo¹, Seiji Fukamizu¹, Takeshi Kitamura¹, Kota Komiyama¹, Yasuhiro Tanabe¹, Tamotsu Tejima¹, Mitsuhiro Nishizaki², Harumizu Sakurada³, Masayasu Hiraoka⁴.

Abstract

A 74-year-old woman with takotsubo cardiomyopathy developed polymorphic ventricular tachycardia during the acute phase. She exhibited prominent J-wave and T-wave alternans preceding ventricular tachycardia. These abnormalities disappeared after recovery from myocardial stunning.

Entities: Disease Species

Keywords: J-wave alternans; Mechanical alternans; QT-interval prolongation; T-wave alternans; Takotsubo cardiomyopathy

Year: 2014 PMID： 26336523 PMCID： PMC4550188 DOI： 10.1016/j.joa.2014.03.008

Source DB: PubMed Journal: J Arrhythm ISSN： 1880-4276

15 in total

1. Changes in left ventricular repolarization and ion channel currents following a transient rate increase superimposed on bradycardia in anesthetized dogs.

Authors: M Rubart; J C Lopshire; N S Fineberg; D P Zipes
Journal: J Cardiovasc Electrophysiol Date: 2000-06

2. Transmural heterogeneity of calcium handling in canine.

Authors: Kenneth R Laurita; Rodolphe Katra; Barbara Wible; Xiaoping Wan; Michael H Koo
Journal: Circ Res Date: 2003-02-20 Impact factor: 17.367

3. Role of calcium cycling versus restitution in the mechanism of repolarization alternans.

Authors: Etienne J Pruvot; Rodolphe P Katra; David S Rosenbaum; Kenneth R Laurita
Journal: Circ Res Date: 2004-03-11 Impact factor: 17.367

4. Apicobasal gradient of left ventricular myocardial edema underlies transient T-wave inversion and QT interval prolongation (Wellens' ECG pattern) in Tako-Tsubo cardiomyopathy.

Authors: Martina Perazzolo Marra; Alessandro Zorzi; Francesco Corbetti; Manuel De Lazzari; Federico Migliore; Francesco Tona; Giuseppe Tarantini; Sabino Iliceto; Domenico Corrado
Journal: Heart Rhythm Date: 2012-09-11 Impact factor: 6.343

5. J-wave syndromes. from cell to bedside.

Authors: Charles Antzelevitch; Gan-Xin Yan
Journal: J Electrocardiol Date: 2011-09-09 Impact factor: 1.438

6. Microscopic systolic pressure alternans in human cardiomyopathy: noninvasive evaluation of a novel risk marker and correlation with microvolt T-wave alternans.

Authors: Raja J Selvaraj; Adrian Suszko; Anandaraja Subramanian; Susanna Mak; Rodrigo Wainstein; Vijay S Chauhan
Journal: Heart Rhythm Date: 2010-10-13 Impact factor: 6.343

7. Ventricular repolarization gradients in a patient with takotsubo cardiomyopathy.

Authors: Hiroshi Furushima; Masaomi Chinushi; Akiko Sanada; Yoshifusa Aizawa
Journal: Europace Date: 2008-06-19 Impact factor: 5.214

8. Adrenergic effects on the biology of the adult mammalian cardiocyte.

Authors: D L Mann; R L Kent; B Parsons; G Cooper
Journal: Circulation Date: 1992-02 Impact factor: 29.690

9. Takotsubo cardiomyopathy and QT interval prolongation: who are the patients at risk for torsades de pointes?

Authors: Liat Samuelov-Kinori; Michael Kinori; Yevgeni Kogan; Michael Swartzon; Hadas Shalev; Daniel Guy; Fotini Ferenidou; Noa Mashav; Ben Sadeh; Lihi Atzmony; Orit Kliuk-Ben-Basat; Arie Steinvil; Dan Justo
Journal: J Electrocardiol Date: 2009-03-03 Impact factor: 1.438