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= Isovolumic relaxation time. LA = Left atrium. LV = Left ventricle. LVIDd = Left ventricular internal diameter at end diastole. LVIDs = Left ventricular internal diameter at end systole. LVPWd = Left ventricular posterior wall at end diastole. LVPWs = Left

Open access
in American Journal of Veterinary Research

= Caudal esophageal short axis. LA = Left atrium. LV = Left ventricle. LVOT = Left ventricular outflow tract. ME 4C = Midesophageal 4-chamber. ME LAX = Midesophageal long axis. MV = Mitral valve. PMs = Papillary muscles. RA = Right atrium. RV = Right

Open access
in American Journal of Veterinary Research

concentric hypertrophy of the left ventricle, with a narrowed ventricular lumen. The left atrioventricular valve exhibited gross changes consistent with mild multifocal endocardiosis. Other macroscopic findings included moderate pulmonary edema and congestion

Open access
in Journal of the American Veterinary Medical Association

be secondary to some cases of mitral stenosis. Systolic mitral regurgitation, or leakage of blood from the left ventricle back into the left atrium due to poor connection between the mitral valve leaflets, can be caused by several pathological

Open access
in Journal of the American Veterinary Medical Association

the mPA, and considerable enlargement of the ductus arteriosus (wide arrow). The ECG shows sinus rhythm with a deep S-wave. Ao = Aorta. LV = Left ventricle. V = Ventral. On the basis of findings, primary or secondary erythrocytosis was

Open access
in Journal of the American Veterinary Medical Association

2 (10 contiguous hpfs [400X]), and vascular invasion was observed. In the heart, an infiltrative melanocytic neoplasm, with hemorrhage and necrosis, had obliterated the wall of the left ventricle transmurally ( Figure 2 ) . Metastases of similar

Open access
in Journal of the American Veterinary Medical Association

. C—This image shows another view of the large aberrant fluid-filled structure (arrow) and pericardial fluid in the pericardial space. Ao = Aorta. LA = Left atrium. LV = Left ventricle. RA = right atrium. RV = Right ventricle. The echogenic

Open access
in Journal of the American Veterinary Medical Association

myocardium of the left ventricle and interventricular septum. No other clinically meaningful findings were noted. Formulate differential diagnoses, then continue reading. Microbiologic and Histopathologic Findings Bacterial cultures performed on

Open access
in Journal of the American Veterinary Medical Association

, myxosarcomas can affect visceral tissues and have been described to arise from the lung, 7 left ventricle, 8 , 9 left atrium, 10 right atrium, 11 right ventricle, 12 mitral valve, 13 pericardium, 14 jaw, 15 jejunal mesentery, 16 greater omentum, 17

Open access
in Journal of the American Veterinary Medical Association

causes turbulent blood flow through the RVOT. LA = Left atrium. LV = Left ventricle. LVOT = Left ventricular outflow tract. MPA = Main pulmonary artery Treatment and Outcome The patient was neutered following cardiothoracic workup. The cat

Open access
in Journal of the American Veterinary Medical Association