Table 1.
Rates of arrhythmias in prospective cohort series
| Series (first author) T | Totals | |||||||
|---|---|---|---|---|---|---|---|---|
| Polanczyk8 | Goldman7 | Brathwaite6 | Batra4 | Valentine13 | Bender12 | Walsh5 | ||
| Total patients 4181 | 916 | 462 | 226 | 211 | 206 | 51 | 6253 | |
| Atrial fibrillation | 171 | 17 | 31 | 20 | 21 | 9 | 7 | 276 (4.41%) |
| Atrial flutter | 51 | 5 | 0 | 0 | – | 3 | 0 | 59 (0.94%) |
| Paroxysmal atrial tachycardia | 14 | 4 | 0 | 1 | – | 0 | 0 | 19 (0.3%) |
| Multifocal atrial tachycardia | 10 | 3 | 1 | 7 | – | 0 | 0 | 21 (0.4%) |
| Paroxysmal supraventricular tachycardia | 156 | 6 | 15 | 0 | – | 16 | 4 | 197 (3%) |
| Ventricular ectopics | – | – | – | 18 | – | – | 1 | 19 (0.3%) |
| Ventricular tachycardia | – | – | – | 7 | – | – | 1 | 8 (0.13%) |
| Ventricular fibrillation | – | – | – | 1 | – | – | 0 | 1(0.02%) |
| Any dysrhythmia | 317 | 35 | 47 | 29 | 21 | 28 | 13 | 490 (7.84%) |