Table 1

 Protocols for stress echocardiography

IschaemiaViability
*Facilitates continuous imaging during stress; **useful to display biphasic response if combined with low dose dobutamine (see text); ***without atropine suited for perfusion imaging.
Exercise
    Treadmill +
    Sitting bicycle +
    Supine bicycle +
    Supine bicycle (tilted)+*
Dobutamine
    Low dose +
    High dose + +**
Dipyridamole (+ atropine)+***
Adenosine (+ atropine)+***