Marr C M, Love S, Pirie H M, Northridge D B
Department of Veterinary Anatomy, University of Glasgow Veterinary School, Bearsden.
Vet Rec. 1990 Oct 13;127(15):376-9.
Regurgitation of blood through the left atrioventricular valve owing to the rupture of one of the chordae tendineae of the valve was diagnosed in a horse with sudden-onset respiratory distress and a holosystolic cardiac murmur. Severe regurgitation was confirmed with Doppler echocardiography and prolapse of part of the valve leaflet was identified with B-mode ultrasonography. The rupture of one of the chordae tendineae of a right accessory cusp of the left atrioventricular valve was confirmed post mortem. Bronchiolitis, multifocal haemorrhages and haemorrhagic fibrous plaques were found in the pleura of the dorsocaudal segments of the lungs.
一匹突发呼吸窘迫且伴有全收缩期心脏杂音的马被诊断为因左房室瓣腱索之一破裂导致血液反流。通过多普勒超声心动图证实存在严重反流，并用B型超声检查确定部分瓣膜小叶脱垂。死后证实左房室瓣右副瓣的一根腱索破裂。在肺背尾段的胸膜中发现细支气管炎、多灶性出血和出血性纤维斑块。
