Table 2.
Electrocardiogram findings during monitoring in patients with syncope and palpitation
| Patients | Syncope (n = 110) |
Palpitation (n = 282) |
||
|---|---|---|---|---|
| n | % | n | % | |
| Diagnostic tests | 27 | 24.5 | 202 | 71.6 |
| Conclusive events (recurrence reported on patient diary) | 11 | 10.0 | 193 | 68.4 |
| Non-arrhythmic (sinus rhythm, sinus tachycardia) | 5 | 4.5 | 66 | 23.4 |
| Arrhythmic | 6 | 5.5 | 127 | 45.0 |
| Pauses (≥6 s), AVB 3 or AVB 2 Mobitz 2 | 4 | 3.6 | 1 | 0.4 |
| Pauses (3–6 s), sinus bradycardia | 2 | 1.8 | 7 | 2.5 |
| Paroxysmal AF, AFL (>3 min) | 0 | 0.0 | 22 | 7.8 |
| Paroxysmal SVT (>3 min) | 0 | 0.0 | 15 | 5.3 |
| Non-sustained SVT (15 s–3 min) | 0 | 0.0 | 40 | 14.2 |
| NSVT <10 s | 0 | 0.0 | 5 | 1.8 |
| NSVT >10 s | 0 | 0.0 | 1 | 0.4 |
| Frequent VPBs or APBs | 0 | 0.0 | 36 | 12.7 |
| Asymptomatic significant arrhythmias | 16 | 14.5 | 9 | 3.2 |
| Fast sustained AF/AFL/SVT >3 min >180 b.p.m. | 8 | 7.3 | 8 | 2.8 |
| Sinus bradycardia <30 b.p.m., Pauses ≥6 s, AVB 3 or AVB 2 Mobitz 2 | 5 | 4.5 | 1 | 0.4 |
| NSVT >10 s or sustained ventricular tachycardia >30 s | 3 | 2.7 | 0 | 0.0 |
| Non-diagnostic tests | 83 | 75.5 | 80 | 28.4 |
| Negative monitoring | 73 | 66.4 | 59 | 20.9 |
| Asymptomatic suggestive arrhythmias | 10 | 9.1 | 21 | 7.5 |
| Sinus bradycardia 30–40 b.p.m., sinus pauses 3–6 s | 5 | 4.5 | 11 | 3.9 |
| NSVT <10 s | 5 | 4.5 | 9 | 3.2 |
| AF/AFL/SVT 15 s–3 min | 0 | 0.0 | 1 | 0.4 |
AVB 2, AVB 3, atrio-ventricular block (Grade 2 or 3); AF, atrial fibrillation; AFL, atrial flutter; SVT, supraventricular tachycardia; NSVT, non-sustained ventricular tachycardia; VPBs, ventricular premature beats; APBs, atrial premature beats.