blood pressure
We propose that the drop in blood pressure with dobutamine in this       patient was caused by a fall in systemic vascular resistance due to vascular       beta2-adrenergic receptor activation.
We propose that the drop in  @SUBJECT$  with dobutamine  @PREDICAT$  this        @OBJECT$  was caused by a fall in systemic vascular resistance due to vascular       beta2-adrenergic receptor activation.