PMC5965012_01
Pacemaker interrogation
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F1
It showed increase and instability in the capture threshold of the ventricular lead which was started approximately 2 months after pacemaker implantation [Figure 1].
Electrocardiography strip with one failure of appropriate ventricular capture
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F2
Another ECG strip was done and intermittent failure of appropriate ventricular capture was recorded [Figure 2].
Chest X-ray with displacement of ventricular lead in the right ventricle and twisted lead near generator
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F3
Furthermore, the chest X-ray was performed and it showed the displacement of the ventricular lead in the right ventricle with twisted lead near generator [Figure 3].
Intraoperative image showing twisting of the lead near pacemaker generator
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F4
She was taken immediately to the catheterization laboratory, and the new screw-in ventricular lead was inserted [Figure 4].