The most appropriate action is to administer Phentolamine.
Extravasation occurs when medication accidentally leaks out of the vein. This means the medicine provided, in this case, dopamine, is in contact with the surrounding tissue. This situation can cause damage to other tissues and due to this, it needs to be immediately solved.
Dopamine extravasation is more common if high doses were given. In these cases, the best option is to administer medicines such as Phentolamine because this stops the action of dopamine, and therefore prevents dopamine from damaging the surrounding tissue.
Learn more in: brainly.com/question/2585817
