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We present a case of ventricular fibrillation triggered by a premature ventricular complex. During ablation from the left coronary cusp, the ablation catheter dislodged inside left main coronary artery, thus resulting in cardiac arrest. We immediately performed angioplasty and stent implantation, and the procedure was accomplished with a guiding catheter left inside the vessel. (Level of Difficulty: Intermediate.), Graphical abstract

Mesenteric ischemia is a rare but lethal complication of transcatheter aortic valve replacement (TAVR). We present a challenging case of an 80-year-old man who had abdominal pain few hours following TAVR. Repeated abdominal and pelvic imaging showed no vascular obstruction, but exploratory laparoscopy revealed a necrotic bowel. (Level of Difficulty: Intermediate.), Graphical abstract

We describe a case of an adult patient with embolization of a varicocele coil (7 × 70 mm) to the right ventricle. We review the multimodality imaging techniques used to identify location and the importance of a multidisciplinary approach in determining management. (Level of Difficulty: Advanced.), Graphical abstract

A patient with a left atrial appendage occlusion device underwent mitral valve replacement. Later, the patient developed a left atrial thrombosis with thromboembolic myocardial infarction caused by a dislocation of the occlusion device. Exclusion of the device and non–device-based appendage occlusion may have prevented the patient from experiencing postoperative complications (Level of Difficulty: Intermediate.)., Graphical abstract, A patient with a left atrial appendage occlusion device underwent mitral valve replacement. Later, the patient developed a left atrial thrombosis…

A 74-year old woman underwent “mini-mitral” valve surgery via a right thoracotomy. The pulmonary artery catheter could not be removed thereafter and was found to be pierced by the atriotomy suture. Removal was performed by percutaneously lacerating the catheter above and below the suture, leaving behind a small segment. (Level of Difficulty: Advanced.), Graphical abstract

The incidence of IVC filter fracture is high with risk for embolization and may require open surgery. We present a minimally invasive approach of complex transcatheter extraction of an embolized and embedded IVC filter strut from the right ventricle. (Level of Difficulty: Intermediate.), Graphical abstract

We report a rare case of crown fracture and detachment from a coronary orbital atherectomy system. During orbital atherectomy in an angulated and calcified coronary vessel, the crown was completely detached and left distal to the stenosis. It was successfully retrieved using a gooseneck snare and a guide-extension catheter. (Level of Difficulty: Advanced.), Graphical abstract

Iatrogenic cardiac perforation is a major complication of cardiac intervention. Surgical correction of perforation is standard of care. We discuss a pacing wire induced right ventricular perforation during the coronavirus disease-2019 (COVID-19) pandemic. Open heart surgery was high risk due to age and COVID-related significant lung involvement. As a bailout measure, the perforation was successfully closed with transcatheter intervention. (Level of Difficulty: Advanced.), Graphical abstract

Thrombus embolization is a rare consequence of ultrasonographic examination of the vessels of the lower limbs. We present a case of a 77-year-old woman with lung cancer who developed pulmonary embolism originating from the right femoral deep vein thrombus during the compression maneuver of the ultrasonographic examination of the lower limbs. (Level of Difficulty: Beginner.).