Table 1.
Patient 1 | Patient 2 | Patient 3 | |
---|---|---|---|
Age (y) | 35 | 45 | 64 |
Sex | Male | Female | Male |
Hypertension | No | Yes | No |
Diabetes | No | No | No |
Hyperlipidemia | No | No | No |
Cardiomyopathy (history) | No | No | No |
Atrial fibrillation (history) | No | No | No |
Obesity | No | Yes | No |
Thyroid disease (history) | No | No | No |
Sleep apnea (obstructive or central) | Yes | Yes | No |
Primary presentation | Recurrent syncope | Recurrent syncope | Recurrent syncope |
Vagal | Yes | Yes | Yes |
Sinus arrest | Yes | No | Yes |
AV block | No | Complete AV block | No |
Longest pause (s) | 11.2 | 6.3 | 28 |
Ablation | Cryo only | Cryo only | Cryo only |
Cryoablation | LU, RU | LU, RU | RU, RL |
Follow-up (d) | 219 | 182 | 134 |
Monitor pre/post | |||
Monitor type | Holter/ILR | Holter/Holter | ILR/ILR |
Days worn | 13/219 | 24/14 | 483/134 |
Predominant rhythm | Sinus/sinus | Sinus/sinus | Sinus/sinus |
HR minimum (bpm) | 32/71 | 22/67 | 30/70 |
HR maximum (bpm) | 164/100 | 148/174 | 100/105 |
HR mean (bpm) | 70/83 | 74/91 | 65/85 |
Sinus pauses (no.) | 228/0 | 31/0 | 30/0 |
AV block | No/no | Yes/no | No/no |
AF/AFL burden (%) | 0/0 | 0/0 | 0/0 |
Syncope (pre/post) | 3/0 | 2/0 | 3/0 |
AF = atrial fibrillation; AFL = atrial flutter; AV = atrioventricular; Cryo = cryoablation; HR = heart rate; ILR = implantable loop recorder; LU = left upper; RL = right lower; RU = right upper; SVC = superior vena cava.