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Doppler-ultrasonographic detection of retrograde pulsatile flow in the caudal vena cava of a puppy with triatriatum dexter
  1. V. Szatmári, DVM1,1,
  2. K. Vörös, DVM, PhD1,
  3. P. Sótonyi, DVM, PhD2 and
  4. B. Fenyves, DVM3
  1. 1 Department and Clinic of Internal Medicine
  2. 2 Department of Anatomy and Histology
  3. 3 Department and Clinic of Surgery and Ophthalmology, University of Veterinary Science, H- 1078 Budapest, István u 2, Hungary


A three-month-old puppy had ascites, but its heart was normal by auscultation. Abdominal ultrasonography revealed an enlarged liver, distended hepatic veins and a distended caudal vena cava. Doppler ultrasonography detected retrograde flow in the caudal vena cava and abnormally pulsatile flow in the hepatic veins and caudal vena cava. A non-selective venogram was used to detect the path of the blood from the caudal vena cava. A postmortem examination showed that the puppy had cor triatriatum dexter and a defect in the atrial septum.

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