http://en.wikipedia.org/wiki/Experiments_in_the_Revival_of_Organisms

Finally, a dog is brought to clinical death (depicted mostly via a graphical plot of lung and heart activity) by draining all blood from it, left for ten minutes, then connected to the heart-lung machine described earlier. After several minutes, the heart fibrillates, then restarts a normal rhythm. Respiration likewise resumes, the machine is removed and the dog is shown to continue living a healthy life.

http://www.youtube.com/watch?v=rSrIkUXwsNk

Out of all my years on the internet, this is one of the things that freaks me out the most. I really do hope its just propaganda and is in no way real but I guess that doesn’t change the fact that messed up animal experiments still happened (happen)