Primary cardiac tumor presenting as left ventricular outflow tract obstruction and complex arrhythmia |
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| Authors: | R Fries S Achen MT O&#x;Brien ND Jackson S Gordon |
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| Institution: | 1. Texas A&M University College of Veterinary Medicine, 4474 TAMU, College Station, TX 77843-4474, USA;2. Blue Pearl Veterinary Partners, Southfield, MI 48034, USA |
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| Abstract: | An adult female mixed breed dog presented for recurrent collapsing episodes over several weeks. Holter evaluation revealed periods of sinus arrest and echocardiography identified a soft tissue mass with subsequent severe dynamic obstruction of the left ventricular outflow tract. The patient was euthanized five days after presentation for severe dyspnea. Necropsy revealed an irregular mass circumferentially lining the left ventricular outflow tract as well as multiple myocardial metastases. The final diagnosis was an undifferentiated pleomorphic endocardial sarcoma. |
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| Keywords: | Sarcoma Heart Syncope Dog |
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