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Left- and right-sided venograms showing bilateral occlusion of the subclavian veins.
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SVC occlusion precluded implantation of endovascular ICD by a superior approach (Figure 1).
Electrocardiogram.
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He was also not a suitable candidate for an S-ICD because he had an unfavorable R/T-wave ratio on his surface electrocardiogram (Figure 2), episodes of ventricular tachycardia, and conduction abnormalities.
Chest radiograph 3 months after implantation in anteroposterior and left lateral projection. A: Substernal implantable cardioverter-defibrillator (ICD) lead. B: Epicardial pace/sense electrode. C: Left lateral midaxillary-placed conventional ICD can.
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The chest radiograph in the anteroposterior and left lateral projection shows the final position of the ICD and leads 3 months after implantation demonstrating the stable lead position (Figure 3).