Fig. 3.

Brockenbrough–Braunwald sign during dobutamine-infused (30 μg/kg per minute) Doppler echocardiography on day 26. Continuous electrocardiogram and invasive radial arterial blood pressure show a Brockenbrough–Braunwald sign, which is a fall of arterial blood pressure (arrow) after a premature ventricular contraction (arrowhead)