Pharmacological stress protocols
| Agent | Protocol | Radiotracer injection time |
|---|---|---|
| MPHR, age and sex adjusted maximum predicted heart rate. | ||
| Vasodilators | ||
| Dipyridamole | 140 μg/kg/min for 4 min | 4 min after completion of infusion |
| Adenosine | 140 μg/kg/min for 6 min | 3–4 min after start of infusion |
| Inotropic agents | ||
| Dobutamine | Starting at 5–10 μg/kg/min and increasing by 5–10 μg/kg/min every 3–5 min up to 40 μg/kg/min | Peak stress (⩾85% MPHR) and/or maximal dose (40 μg/kg/min) |