Table 2. Electrocardiographic data of the healthy controls and cats with hypertrophic cardiomyopathy (HCM).
| Group | ECG parameters |
|||||||
|---|---|---|---|---|---|---|---|---|
| Heart rate (bpm) | P wave |
QRS complex |
PR interval (sec) | QT interval (sec) | MEA (°) | |||
| Amplitude (mV) | Duration (sec) | Amplitude (mV) | Duration (sec) | |||||
| Healthy cats | 172.14 ± 17.29 | 0.14 ± 0.06 | 0.028 ± 0.01 | 0.28 ± 0.18 | 0.026 ± 0.01 ** | 0.07 ± 0.01 | 0.16 ± 0.02 | 71.60 ± 10.38 |
| (145.00–200.00) | (0.05–0.20) | (0.02–0.04) | (0.05–0.60) | (0.02–0.03) | (0.06–0.08) | (0.12–0.18) | (58.00–85.00) | |
| Cats with HCM | 189.63 ± 19.24 | 0.16 ± 0.05 | 0.03 ± 0.01 | 0.28 ± 0.19 | 0.045 ± 0.01** | 0.07 ± 0.01 | 0.16 ± 0.05 | 63.75 ± 9.46 |
| (167.00–214.00) | (0.10–0.20) | (0.02–0.04) | (0.15–0.55) | (0.03–0.06) | (0.06–0.08) | (0.10–0.20) | (50.00–70.00) | |
ECG: electrocardiogram; MEA: mean electrical axis. *Data are expressed as mean ± SD, minimum–maximum value. **QRS duration showed significant difference between the groups.