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Left Internal Mammary Artery Injury After Pacemaker Lead Implant-Case Report and Review of Literature
Stuart Stenton1, Rajiv Sharma2,3, Bhattarai K B2
1University of Tasmania, Hobart, Australia.
Pacing and Clinical Electrophysiology : PACE
|April 30, 2026
Abstract:
We hereby report a case of a 75-year-old patient who developed a large left-sided hemopneumothorax after a routine dual-chamber pacemaker insertion. The rare complication was caused by the pacing lead injuring the left internal mammary artery (LIMA) after perforating the right ventricle.

