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Updated: May 29, 2026

Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine
Published on: February 17, 2018
Tachycardia-induced cardiomyopathy caused by a special pacemaker algorithm
Amardeep Ghosh Dastidar1, Paul Sheridan
1Sheffield Teaching Hospitals, Cardiology, Sheffield, UK. dramar_deep@yahoo.co.uk
Abstract:
An elderly lady presented with breathlessness, fever and palpitations. She was treated for community-acquired pneumonia with antibiotics. Subsequently, she went into acute pulmonary edema. She was managed with standard heart failure medications and a trial of noninvasive ventilation. ECG showed A-V sequential pacing at a rate of 150/min with broad QRS. It was thought to be a pacemaker-related tachycardia. On pacemaker check, a special algorithm (atrial fibrillation suppression algorithm) was switched off. She subsequently improved. We here review the cause of this tachycardia-induced cardiomyoapthy.
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