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Case Reports
. 2014 May;10(3):175-8.

Tachycardia-induced cardiomyopathy

Alireza Ahmadi  1 , Ali Zolfi-Gol  2 , Mahfar Arasteh  3
Affiliations
Case Reports

Tachycardia-induced cardiomyopathy

Alireza Ahmadi et al. ARYA Atheroscler. 2014 May.

Abstract

Background: Tachycardia-induced cardiomyopathy (TIC) is a rare cause of dilated cardiomyopathy (DCMP). The diagnosis can be missed because tachycardia is a common symptom in DCMP.

Case report: We reviewed a case 5-year-old with palpitation and dyspnea with symptoms and signs of heart failure that diagnosed as DCMP initially. Then, in the evaluation for cause of tachycardia, atrial tachycardia was detected. Hence, treatment with flecainide was started and after 3 months, left ventricular (LV) systolic function and symptoms of the patient was relieved.

Conclusion: TIC should be suspected in all patients with unexplained LV dysfunctions in the setting of a persistent tachyarrhythmia.

Keywords: Dilated Cardiomyopathy; Heart Failure; Tachyarrhythmia.

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Figures

Figure 1
Figure 1
Panel representative trans thoracic echocardiography (TTE) shortly after admission
Figure 2
Figure 2
Holter monitoring shows atrial tachycardia (heart rate = 189 beat/min)
Figure 3
Figure 3
Trans thoracic echocardiography (TTE) obtained 3 month after flecainide therapy. Note the significant improvement in systolic function
See this image and copyright information in PMC

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