Table 2.

Incidence, episodes, onset and duration of arrhythmias due to epinephrine (32 µg/kg) in rats treated with and without a beta-adrenoceptor blocker atenolol (20 mg/kg/day) or an angiotensin receptor blocker, losartan (20 mg/kg/day) treatment for 15 days.

Parameters	Untreated	Atenolol-Treated	Losartan-Treated
Incidence (%)	90	100	90
Episodes (number)	5 ± 1.9	14 ± 4.8 *	8 ± 1.8
Onset (s)	21.5 ± 7.5	24.6 ± 8.8	16.3 ± 2.8
Duration (s)	1.2 ± 0.4	3.4 ± 1.2	2.0 ± 0.9
QTc intervals (s)	0.23 ± 0.007	0.22 ± 0.006	0.21 ± 0.008
QRS interval (s)	0.06 ± 0.002	0.06 ± 0.002	0.06 ± 0.001

Data are taken from our paper Adameova et al., 2019 [43]. Values are mean ± S.E. * p < 0.05 vs. untreated.