Fig. 1From: Vasopressor Choice and Timing in Vasodilatory ShockPathogenic mechanisms leading to refractory vasodilatory shock. ATP adenosine tri-phosphate, cGMP cyclic guanosine monophosphate, COX-2 cyclooxygenase-2, PGI2 prostaglandin I2, ROS reactive oxygen species. (From [8] with permission)Back to article page