HYPERGLYCEMIA-INDUCED T-WAVE OVER SENSING AS A CAUSE OF CARDIAC RESYNCHRONIZATION THERAPY (CRT) FAILURE

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ASSADIAN RAD MOHAMMAD; EMKANJOO ZAHRA; MOLADOUST HASSAN

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Journal Paper

Paper Information

Journal: THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER Year:2012 | Volume:7 | Issue:1 Page(s): 30-32

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Title

HYPERGLYCEMIA-INDUCED T-WAVE OVER SENSING AS A CAUSE OF CARDIAC RESYNCHRONIZATION THERAPY (CRT) FAILURE

Author(s)

ASSADIAN RAD MOHAMMAD | EMKANJOO ZAHRA | MOLADOUST HASSAN | Issue Writer Certificate

Keywords

CARDIAC RESYNCHRONIZATION THERAPY

CARDIAC PACING

ARTIFICIAL

HYPERGLYCEMIA

Abstract

T-wave over sensing occurs when the counter starts giving dual beeps for every cardiac cycle instead of one. This usually happens when the monitoring lead displays a tall T wave, which is also sharp. R wave sensing algorithms of the devices do not sense T wave because the slow rate of the T wave is much less than that of the R wave. But the slow rate of T waves may change with time and also because of parameters like potassium levels and hyperglycemia. We present a 67-year-old female who underwent the implantation of cardiac resynchronization therapy (cardiac resynchronization and implantable cardioverter defibrillator [CRT-D]) because of severe left ventricular systolic dysfunction and ventricular dyssynchrony experienced recurrent inappropriate implantable cardioverter-defibrillator (ICD) shocks and CRT failure. Device analysis showed that the CRT failure was in consequence of T-wave over sensing due to hyperglycemia. Elimination of the T-wave over sensing after hyperglycemia control conferred good biventricular pacing and good response to CRT during a 6-month follow-up period.

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APA: Copy

ASSADIAN RAD, MOHAMMAD, EMKANJOO, ZAHRA, & MOLADOUST, HASSAN. (2012). HYPERGLYCEMIA-INDUCED T-WAVE OVER SENSING AS A CAUSE OF CARDIAC RESYNCHRONIZATION THERAPY (CRT) FAILURE. THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER, 7(1), 30-32. SID. https://sid.ir/paper/302007/en

Vancouver: Copy

ASSADIAN RAD MOHAMMAD, EMKANJOO ZAHRA, MOLADOUST HASSAN. HYPERGLYCEMIA-INDUCED T-WAVE OVER SENSING AS A CAUSE OF CARDIAC RESYNCHRONIZATION THERAPY (CRT) FAILURE. THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER[Internet]. 2012;7(1):30-32. Available from: https://sid.ir/paper/302007/en

IEEE: Copy

MOHAMMAD ASSADIAN RAD, ZAHRA EMKANJOO, and HASSAN MOLADOUST, “HYPERGLYCEMIA-INDUCED T-WAVE OVER SENSING AS A CAUSE OF CARDIAC RESYNCHRONIZATION THERAPY (CRT) FAILURE,” THE JOURNAL OF TEHRAN UNIVERSITY HEART CENTER, vol. 7, no. 1, pp. 30–32, 2012, [Online]. Available: https://sid.ir/paper/302007/en

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