Friday 12 February 2016

Age-specific changes in electrocardiographic parameters in bipolar limb leads of conscious female native cats of Odisha

Research (Published online: 12-02-2016)
7. Age-specific changes in electrocardiographic parameters in bipolar limb leads of conscious female native cats of Odisha - Subhashree Sarangi, A. P. K. Mahapatra, S. Mohapatra and A. K. Kundu
Veterinary World, 9(2): 147-150



   doi: 10.14202/vetworld.2016.147-150



Aim: To study and compare the age-specific changes in electrocardiographic (ECG) parameters in bipolar limb leads of conscious female native cats of Odisha.
Materials and Methods: 20 healthy female native cats aged between 4 and 36 months of age were selected for the study. These queens were divided into two groups of 10 animals each. Group 1 constituted the queens aged 4-10 months (before puberty) with a mean weight of 2.28 kg (±0.4 standard error [SE]), and those aged 11-36 months (after puberty) with a mean weight of 3.72 kg (±0.6 SE) were in Group 2. The ECG was recorded with a 12-lead standard ECG recorder, Cardiart 108 T-MK VII-BPL (India) in the Leads I, II, and III.
Results: The mean heart rates were 160.73 (±7.83) beats/min and 139.09 (±2.72) beats/min in the cats aged 4-10 months and 11-36 months, respectively. Significant differences existed among Q- and R-wave amplitudes and duration of QT-interval
in Lead I. In Lead II, duration of QT and RR intervals, duration of ST-segment and amplitudes of P- and R-waves varied significantly. Significant differences were also observed in the P- and R-wave amplitudes in Lead III. The mean electrical axis was 63.11 (±1.98°) and 50.03 (±4.86°) in the cats aged 4-10 months and 11-36 months, respectively.
Conclusion: Since the ECG studies on conscious cats are scanty, and the number of native cats being presented in veterinary hospitals and clinics has increased drastically, there is a need to establish the reference values for ECG parameters in conscious native cats so that the cardiovascular abnormalities can be predicted.
Keywords: age-specific, conscious cat, electrocardiogram, mean electrical axis, native.

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