Best treatments for sudden blood pressure spikes in labor

Nothing can raise your blood pressure, quite like getting your blood pressure taken. But, for some expecting mothers, high blood pressure readings are more than just white coat hypertension. High blood pressure of pregnancy is associated with severe complications, such as preeclampsia, which can result in seizures or organ damage. New guidelines have been published to help guide doctors in treating sudden spikes in blood pressure. However, not everyone with high blood pressure during pregnancy has preeclampsia. For women with sudden increases in blood pressure during labor, what is the best treatment?