. 2017 Sep 2;10(9):1020–1025. doi: 10.14202/vetworld.2017.1020-1025

Table-3.

Cardiovascular changes in lead-III of Black Bengal goats in different age groups.

Age group	P-wave amplitude (mV)	P-wave duration (s)	QRS amplitude (mV)	QRS duration (s)	T-wave amplitude (Mv)	T-wave duration (s)	P-R interval (s)	Q-T interval (s)	R-R interval (s)	P-Q segment (s)	S-T segment (s)	T-P segment (s)	Heart rate (bpm)
Group A	0.1±0^a	0.04±0^a	0.39±0.05^a	0.05±0.01^a	0.1±0^a	0.04±0^a	0.08±0.02^a	0.22±0.01^a	0.38±0.01^a	0.08±0^a	0.30±0.01^a,b	0.30±0.03^a,b	156.8±4.16^a
Group B	0.1±0^a	0.04±0^a	0.53±0.03^a	0.05±0.01^a	0.1±0^a	0.07±0.01^b	0.12±0^a	0.26±0.01^a	0.42±0.01^a,b	0.08±0^a	0.31±0.01^b	0.28±0^a	141.6±3.43^b
Group C	0.1±0^a	0.04±0^a	0.55±0.09^a	0.06±0.01^a,b	0.1±0^a	0.07±0.01^b	0.10±0.02^a	0.28±0^a	0.50±0.02^b,c	0.08±0^a	0.31±0.01^b	0.36±0^b	117.4±3.43^c
Group D	0.1±0^a	0.04±0^a	0.40±0.04^a	0.08±0.01^b	0.1±0^a	0.07±0.01^b	0.09±0.01^a	0.28±0^a	0.47±0.02^c	0.08±0^a	0.28±0^a	0.30±0.02^a,b	119±2.45^c

Group A: Goats up to 6 months, Group B: Goats above 6 months and below 1 year of age, Group C: Goats above 1 year and below 2 years of age, Group D: Goats above 2 years of age. Values bearing different superscripts in a column differ significantly (p<0.05)