Table 3 Results of electrocardiography in Dachshunds submitted to cardiology services at the Small Animal Clinic, Faculty of Veterinary Medicine, Warsaw University of Life Sciences between November 2001 and October 2011 (number of positive dogs within the class)
No heart disease | ISACHC 1 | ISACHC 2 | ISACHC 3 | |
|---|---|---|---|---|
(n=12) | (n=20) | (n=11) | ||
(n=9) | ||||
Mean heart rate (bpm) (mean ± SD) | 124 ± 26a | 131 ± 25a | 144 ± 27a | 181 ± 37b |
Tachycardia (>130/min) | 3 | 6 | 16 | 11 |
Atrial premature depolarizations | 0 | 0 | 1 | 0 |
Ventricular premature depolarizations | 0 | 0 | 4 | 1 |
Atrial fibrillation | 0 | 0 | 0 | 2 |
Increased P wave amp (>0,4 mV) | 0 | 0 | 8 | 1 |
Increased P wave time (> 0,04 s) | 2 | 2 | 15 | 4 |
Increased PR interval (>0,12 s) | 1 | 0 | 2 | 0 |
Increased R wave amp (>2,5 mV) | 1 | 1 | 9 | 2 |
Increased QRS complex time (>0,05 s) | 3 | 6 | 5 | 11 |
Increased QT interval (>0,24s) | 1 | 0 | 0 | 0 |