Time Taken to Convert from Normal to Low EF in 5 Patients
| Subject no. | EF-1 (%) | EF-2 (%) | Interval (mo) | Duration of CCK-8 infusion |
|---|---|---|---|---|
| 14 | 42 | 44* | 24 | 3 and 10 min* |
| 18 | 50 | 33 | 33 | 3 and 3 min |
| 21 | 62 | 26 | 48 | 3 and 3 min |
| 23 | 70 | 20 | 60 | 3 and 3 min |
| 25 | 91 | 33 | 98 | 3 and 3 min |
| Mean | 63.0 | 31.2 | 52.6 | |
| SD | 19.0 | 8.98 | 28.9 |
↵* Normal GBEF is ≥35% with 3-min and ≥50% with 10-min infusion of CCK-8.