Ventricular Tachycardia in Patients with Impaired Left Ventricular Function: The Role of Propafenone

1986 ◽  
Vol 4 (6) ◽  
pp. 546-552
Author(s):  
MICHAEL A. BRODSKY ◽  
BYRON J. ALLEN
1997 ◽  
Vol 133 (5) ◽  
pp. 541-549 ◽  
Author(s):  
Angel K. Markov ◽  
Michael A. Brumley ◽  
Alfredo Figueroa ◽  
Thomas N. Skelton ◽  
Patrick H. Lehan

2016 ◽  
Vol 43 (2) ◽  
pp. 152-155 ◽  
Author(s):  
Keval Patel ◽  
George T. Griffing ◽  
Paul J. Hauptman ◽  
Joshua M. Stolker

Takotsubo cardiomyopathy, or transient left ventricular apical ballooning syndrome, is characterized by acute left ventricular dysfunction caused by transient wall-motion abnormalities of the left ventricular apex and mid ventricle in the absence of obstructive coronary artery disease. Recurrent episodes are rare but have been reported, and several cases of takotsubo cardiomyopathy have been described in the presence of hyperthyroidism. We report the case of a 55-year-old woman who had recurrent takotsubo cardiomyopathy, documented by repeat coronary angiography and evaluations of left ventricular function, in the presence of recurrent hyperthyroidism related to Graves disease. After both episodes, the patient's left ventricular function returned to normal when her thyroid function normalized. These findings suggest a possible role of thyroid-hormone excess in the pathophysiology of some patients who have takotsubo cardiomyopathy.


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