Table 1 Average heart rate values and type of cardiac arrhythmias (number of animals affected in brackets) detected in calves receiving ultrasound-guided rectal sheath block (RSB) or a sham injection (control group, CG) at different time intervals (Int)
| Â | Heart rate | |||||||||||||||
| Â | Int-1 | Int-2 | Int-3 | Int-4 | Int-5 | Int-6 | Int-7 | Int-8 | ||||||||
|  | bpm | ±SD | bpm | ±SD | bpm | ±SD | bpm | ±SD | bpm | ±SD | bpm | ±SD | bpm | ±SD | bpm | ±SD |
RSB | 95.8 | 19.4 | 99.9a | 21.0 | 90.7b | 22.0 | 94.6 | 18.6 | 90.4 | 18.3 | 89.8 | 18.2 | 92.3 | 17.4 | 94.6 | 18.6 |
CG | 97.7 | 20.6 | 99.2 | 19.0 | 94.6 | 18.6 | 98.6 | 20.5 | 92.0 | 18.4 | 94.5 | 20.0 | 95.0 | 18.2 | 98.6 | 20.5 |
| Â | Cardiac arrythmias(n of calves affected) | |||||||||||||||
| Â | Int-1 | Int-2 | Int-3 | Int-4 | Int-5 | Int-6 | Int-7 | Int-8 | ||||||||
| Â | Type(n) | Type(n) | Type(n) | Type(n) | Type(n) | Type(n) | Type(n) | Type(n) | ||||||||
RSB | / | RA(2) PVC(1) AVB(4) | AVB(1) | RA (1) AVB(3) | / | / | / | / | ||||||||
CG | / | RA(3) ST(1) AVB(3) | AVB(2) | TS(1) RA(1) AVB(1) PVC (1) | / | / | / | / | ||||||||