Suspect three chambered right atrium in a pup.
The necropsy results from a puppy with decompensated heart failure suggested that deformities of the right atrium, consisting of triple chamber development and venous obstruction, were the cause of cardiac failure.
D000818:Animals; D003326:Coronary Circulation; D004283:Dog Diseases / Q000151:congenital* / Q000473:pathology / Q000503:physiopathology; D004285:Dogs; D006325:Heart Atria / Q000002:abnormalities* / Q000473:pathology; D006330:Heart Defects, Congenital / Q000473:pathology / Q000503:physiopathology / Q000662:veterinary*; D008168:Lung / Q000473:pathology; D008297:Male; D009206:Myocardium / Q000473:pathology