Tests results in tetralogy of Fallot patients with periodic breathing.
| Parameters | Patient 1 | Patient 2 | Normal values |
|---|---|---|---|
| BNP, brain natriuretic peptide; LVEF, left ventricular ejection fraction; PRF, pulmonary regurgitant fraction; RVEF, right ventricular ejection fraction; RVEDV, right ventricular end diastolic volume; RVESV, right ventricular end systolic volume; RVMI, right ventricular mass index. | |||
| MRI | |||
| RVEDV (ml) | 198 | 378 | 88–227 |
| RVESV (ml) | 108 | 233 | 23–103 |
| RVEF (%) | 46 | 38 | 47–80 |
| RVMI (g/m2) | 66 | 105 | <33 |
| PRF (%) | 40 | 40 | |
| LVEF (%) | 62 | 53 | 56–78 |
| Chemoreflex gain (l/min/mm Hg) | 1.6 | 1.7 | 2.4 (1.15) |
| Time delay (min) | 0.43 | 0.36 | 0.3 (0.04) |
| Cardiac output (l/min) | 2.8 | 3.2 | 4 |
| BNP (pmol/l) | 8.4 | 7.1 | <4 |