As a PC volunteer, I participated as a medical translator and interpreter. A strange shift happened to me under those circumstances. Before PC, I used to translate consecutively, translating during pauses. One day, a journalist with a medical team asked me to help her with an interview. Something strange happened in my brain. Because of the time crunch, my brain split in such a way that I was able to hear in Spanish and simultaneously translate to English. I want to say that it felt a bit schizophrenic; it was scary and exciting at the same time.
Here is a video about simultaneous translation: