Giant Interventricular Septal Hematoma Complicating Left Bundle Branch Pacing

Figure 1. Paced Electrocardiograms (A) Immediately after left bundle branch pacing lead implantation. (B) On presentation at Emergency Department.

Figure 2. Presenting Echocardiograms Postoperative Day 1 Large septal hematoma measuring 61 mm × 40 mm is visible in apical 4-chamber and parasternal long-axis views with and without contrast material.

Figure 3. Follow-Up Echocardiograms at 2 Weeks Interval improvement in septal hematoma size and improvement in right ventricle size are visible in apical 4-chamber and parasternal long-axis views.

Figure 4. Follow-Up Echocardiograms 6 Weeks Postoperatively Complete resolution of hematoma and normal biventricular size and systolic function are visible.

Figure 5. Follow-Up Echocardiograms 3 Months Postoperatively Resolved hematoma and stable biventricular size and function are visible.