title: Second-degree atrioventricular block observed in a Thoroughbred foal on 2.5 months of age.
mesh_terms: D000367:Age Factors; D000818:Animals; D004562:Electrocardiography / Q000662:veterinary; D005260:Female; D005333:Fetus; D006327:Heart Block / Q000503:physiopathology / Q000662:veterinary*; D006734:Horse Diseases / Q000503:physiopathology*; D006736:Horses; D011247:Pregnancy