Lithium intoxication complicated by severe bradycardia after single-incision laparoscopic sleeve gastrectomy: a case report and literature review

Post-bariatric patients receiving lithium should be considered high risk for intoxication. Routine monitoring with early recognition and multidisciplinary collaboration is essential to prevent complications. This case further shows that even extreme lithium-induced bradycardia can be fully reversible with timely withdrawal and extracorporeal clearance, highlighting the need to address reversible causes before permanent pacing.