Table 2. Medical history and treatment of chronic congestive heart failure patients.
| Heart failure n = 15 | Healthy n = 10 | |
| NYHA III | 5 | N/A |
| NYHA IV | 10 | N/A |
| Pharmacological treatment | ||
| Beta-adrenoreceptor antagonists | 13/15 | N/A |
| ACE-inhibitors | 11/15 | N/A |
| ARB | 3/15 | N/A |
| Diuretics | 14/15 | N/A |
| Digoxin | 1/15 | N/A |
| Spironolactone | 0/15 | N/A |
| ASA | 8/15 | N/A |
| Warfarin | 9/15 | N/A |
| Chest X-ray | ||
| Pulmonary oedema | 11/15 | N/A |
| Electrocardiogram | ||
| Atrial fibrillation | 12/15 | N/A |
| Pacemaker | 4/15 | N/A |
| QRS complex width (ms) | 115.5 ± 8.6 | N/A |
| Ejection fraction (%) | 37.7 ± 1.9 | N/A |
ACE: angiotensin converting enzyme; ARB: angiotensin receptor blockers; ASA: acetylsalicylic acid; N/A: not applicable; NYHA: New York Heart Association classification.