Adenosine bolus transit: the timing of bolus arrival, peak bolus activity, and bolus duration at the four regions of interest (ROI) following the proximal and distal adenosine injections
| ROI | Bolus | Proximal injection (s) | Distal injection (s) | p Value |
|---|---|---|---|---|
| Left upper arm | Arrival | 0.8 (0.2) | 3.1 (0.6) | < 0.001 |
| Peak | 1.4 (0.2) | 4.5 (0.6) | < 0.001 | |
| Duration | 4.3 (0.3) | 7.4 (1.4) | < 0.05 | |
| Left shoulder | Arrival | 2.3 (0.5) | 4.7 (0.6) | < 0.01 |
| Peak | 3.6 (0.6) | 6.1 (0.8) | < 0.02 | |
| Duration | 4.4 (0.4) | 5.8 (0.5) | < 0.05 | |
| Right ventricle | Arrival | 6.8 (0.7) | 8.8 (0.7) | < 0.05 |
| Peak | 8.2 (0.7) | 11.1 (0.8) | < 0.01 | |
| Duration | 4.6 (0.6) | 11.9 (1.4) | < 0.001 | |
| Left ventricle | Arrival | 12.6 (0.8) | 13.6 (0.8) | 0.1 |
| Peak | 15.8 (0.7) | 19.3 (1.1) | < 0.005 | |
| Duration | 9.2 (1.0) | 17.2 (1.3) | < 0.001 |
Values are mean (SEM).