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Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology 17 (2): 83-96 (2015)
Echocardiographic assessment of right ventricular systolic function in conscious healthy dogs: repeatability and reference intervals.
Lance C. Visser
Brian A. Scansen
Karsten E. Schober
John D. Bonagura
To determine the feasibility, repeatability, intra- and interobserver variability, and reference intervals for 5 echocardiographic indices of right ventricular (RV) systolic function: tricuspid annular plane systolic excursion (TAPSE), fractional area change (FAC), pulsed wave tissue Doppler imaging-derived systolic myocardial velocity of the lateral tricuspid annulus (S'), and speckle-tracking echocardiography-derived global longitudinal RV free wall strain and strain rate. To explore statistical relationships between RV systolic function and age, gender, heart rate, and bodyweight.