Pacemaker Stimulus Amplitude Alteration without Loss of Capture: An Unusual ECG Finding in Cardiac Tamponade from Pacemaker Lead Perforation

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• 作者：P. Suksaranjit ; K. Prasidthrathsint
• 关键词：Pacemaker lead perforation ; Pacemaker stimulus amplitude ; Pacemaker capture failure ; Cardiac tamponade ; Electrocardiography
• 刊名：Heart, Lung and Circulation
• 出版年：January, 2014
• 年：2014
• 卷：23
• 期：1
• 页码：e10-e11
• 全文大小：997 K

文摘

A variation in pacemaker stimulus amplitude can represent pacemaker system dysfunction from generator malfunction, lead insulation defect, lead fracture, or artefact of digital signal processing of the electrocardiography recorder. Pacemaker lead perforation into the pericardial space typically results in loss of capture which was not demonstrated in our patient. In summary, we report an unusual ECG finding of pacemaker stimulus amplitude alteration without loss of capture in the setting of cardiac tamponade from pacemaker lead perforation.