Table-1.
Mean±SE of different ECG parameters with maximum and minimum values (Lead II) in different breed of dogs.
| Breed | ECG parameters (Lead II) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HR | Pdur (ms) | Pamp (mV) | PRdur (ms) | QRSdur (ms) | QTdur (ms) | Ramp (mV) | Tdur (ms) | Tamp (mV) | Mean electrical axis (°) | |
| Labrador | 110.6±5.1 | 0.042±0.0011 | 0.21±0.01 | 0.107a±0.005 | 0.04±0.00 | 0.2±0.007 | 0.95a±0.12 | 0.04±0.004 | 0.22±0.016 | 75.30a±6.80 |
| (88-136) | (0.04-0.06) | (0.1-0.3) | (0.08-0.12) | (0.04-0.04) | (0.08-0.16) | (0.88-1.20) | (0.04-0.08) | (0.2-0.3) | (10-78) | |
| Golden | 105.0±5.2 | 0.053±0.006 | 0.17±0.03 | 0.107a±0.01 | 0.04±0.00 | 0.21±0.006 | 1.63b±0.14 | 0.04±0.006 | 0.23±0.033 | 60.33b±7.84 |
| Retriever | (75-125) | (0.04-0.06) | (0.1-0.2) | (0.08-0.12) | (0.04-0.04) | (0.10-0.12) | (1.00-2.00) | (0.04-0.06) | (0.2-0.3) | (52-76) |
| German | 104.6±5.6 | 0.046±0.004 | 0.20±0.02 | 0.127b±0.007 | 0.04±0.003 | 0.18±0.008 | 1.14a±0.17 | 0.04±0.008 | 0.26±0.084 | 82.00c±19.43 |
| Shepherd | (88-125) | (0.04-0.06) | (0.1-0.3) | (0.12-0.16) | (0.04-0.06) | (0.17-0.21) | (1.00-2.00) | (0.04-0.06) | (0.18-0.6) | (56-120) |
Values are expressed as mean±SE. Values with different superscript within a column differs significantly (p<0.05). SE=Standard error, ECG=Electrocardiogram, HR=Heart rate