Symptoms and arrhythmias in patients with and without chronotropic incompetence during dobutamine stress echocardiography
| Symptoms/arrhythmias | Chronotropic incompetence | p Value | |||
|---|---|---|---|---|---|
|
Yes (n = 196) |
No (n = 316) | ||||
| Nausea | 14 (7) | 8 (3) | 0.6 | ||
| Flushing | 1 (0.5) | 4 (1.2) | 0.2 | ||
| Dizziness | 7 (4) | 4 (1) | 0.9 | ||
| Anxiety | 4 (2) | 5 (1.5) | 0.7 | ||
| Chills | 10 (5) | 14 (4) | 1 | ||
| Headache | 7 (4) | 17 (5) | 0.1 | ||
| Symptomatic hypotension | 1 (0.5) | 2 (0.6) | 0.4 | ||
| Premature atrial contractions | 18 (9) | 18 (6) | 0.1 | ||
| Premature ventricular contractions | 76 (39) | 91 (29) | 0.02 | ||
| Supraventricular tachycardia | 4 (2) | 11 (3) | 0.3 | ||
| Atrial fibrillation | 0 | 3 (1) | 0.2 | ||
| Ventricular tachycardia < 10 beats | 7 (4) | 9 (3) | 0.6 | ||
| Ventricular tachycardia ⩾ 10 beats | 0 | 0 | |||
Values are n (%).