Welcome to Grey's Anatomy Medical Procedures

Okay, folks, we've seen some pretty gruesome and tragic things over the last 4 seasons of Grey's: two people stuck together with a pole, adult conjoined twins, serious spinal scoliosis, not to mention all the cancers, heart troubles, and brain trauma. A women with a fork in her neck and kid in cement,
(Seriously, the show makes Seattle look like the most dangerous city in the world! Confession: I live here and it's not that bad. Except for the rain.)

So, all you doctors (both actual and aspiring), it's time to pick apart the surgeries of Grey's Anatomy. Comb the web, do some research, and give us an episode by episode rundown of the medical issues we see.