Motion Mode Echocardiography on Healthy Male Indonesian Domestic House Cat
Kurniawan, Lynn Kaat Laura
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The purpose of this study was to determine the normal echocardiographic heart measurements of healthy male Indonesian Domestic House Cat. Nine male cats weighing between 3.3 – 4.4 kg were anesthetized using zolazepam-tiletamine (8 mg/kgBW). Echocardiographic examination was performed on the right parasternal short axis at the papillary muscles and the aorta level using a 7.5 MHz transducer. Parameters observed were: left ventricular wall thickness (LVW), interventricular septa thickness (IVS), left ventricular internal diameter (LVID), aorta (AO), and left atrium (LA), all during systole (s) and diastole (d). Derivative measurements include left ventricular end-diastolic volume (LVED), end-systolic volume (LVES), stroke volume (SV), cardiac output (CO), ejection fraction (EF), and fractional shortening (FS). Brightness mode shows that the IVS and LVW were hypoechoic, the LA, LVID and aorta lumen were anechoic and the aorta wall was hyperechoic. The average measurements of the Indonesian Domestic House Cat were: LVWs 0.57 ± 0.03 cm, LVWd 0.35 ± 0.06 cm, IVSs 0.56 ± 0.03 cm, IVSd 0.30 ± 0.05 cm, LVIDs 0.78 ± 0.11 cm, LVIDd 1.48 ± 0.12 cm, AOs 0.69 ± 0.06 cm, LA 0.73 ± 0.04 cm. The LA:AO ratio was 1.07 ± 0.1. Derivative measurements: LVED 5.96 1.17 ml, LVES 1.08 0.42 ml, SV 1.08 0.42 ml, CO 865.18 178.66 ml/minute, EF 82.28 4.64 %, FS 48 5 %.