title: Implantation of a permanent transvenous pacing catheter in a horse with complete heart block and syncope.
abstract: A permanent, transvenous, atrioventricular, sequential pacing system was implanted successfully in a 7-year-old Quarter Horse gelding with complete heart block. The transvenous atrial and ventricular electrodes were placed in their respective positions in the heart, using real-time, 2-dimensional echocardiography. The horse was able to return successfully to competition as a show horse.
mesh_terms: D000818:Animals; D006328:Cardiac Catheterization / Q000662:veterinary*; D004562:Electrocardiography / Q000662:veterinary; D006327:Heart Block / Q000628:therapy / Q000662:veterinary*; D006734:Horse Diseases / Q000628:therapy*; D006736:Horses; D008297:Male; D010138:Pacemaker, Artificial / Q000662:veterinary*; D013575:Syncope / Q000662:veterinary*