Tachycardia-induced cardiomyopathy occurs as a result of prolonged, excessive heart rates. Ventricular function may improve significantly upon control of the heart rate. We present a case of a patient with atrial fibrillation with rapid ventricular response who showed a dramatic improvement in left ventricular function following AV nodal ablation and insertion of a pacemaker. We also review the history and pathophysiology of tachycardia-induced cardiomyopathy.
机构:
Univ Calif Los Angeles, David Geffen Sch Med, Cardiac Arrhythmia Ctr, Div Cardiol,Dept Med, Los Angeles, CA 90095 USAUniv Calif Los Angeles, David Geffen Sch Med, Cardiac Arrhythmia Ctr, Div Cardiol,Dept Med, Los Angeles, CA 90095 USA
Bourke, T.
Boyle, N. G.
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机构:
Univ Calif Los Angeles, David Geffen Sch Med, Cardiac Arrhythmia Ctr, Div Cardiol,Dept Med, Los Angeles, CA 90095 USAUniv Calif Los Angeles, David Geffen Sch Med, Cardiac Arrhythmia Ctr, Div Cardiol,Dept Med, Los Angeles, CA 90095 USA
机构:
Division of Cardiology, Department of Medicine, UCLA, Los Angeles, CA 90095Division of Cardiology, Department of Medicine, UCLA, Los Angeles, CA 90095
Boyle N.G.
Shivkumar K.
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Division of Cardiology, Department of Medicine, UCLA, Los Angeles, CA 90095Division of Cardiology, Department of Medicine, UCLA, Los Angeles, CA 90095
机构:
Ochsner Med Ctr, Dept Cardiol, New Orleans, LA 70121 USAOchsner Med Ctr, Dept Cardiol, New Orleans, LA 70121 USA
Thihalolipavan, Sudarone
Morin, Daniel P.
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Ochsner Med Ctr, Dept Cardiol, New Orleans, LA 70121 USA
Univ Queensland, Ochsner Clin Sch, Dept Cardiol, Sch Med, New Orleans, LA 70121 USAOchsner Med Ctr, Dept Cardiol, New Orleans, LA 70121 USA