It sounds like a script for a bad baseball movie, but it actually happened to Padres pitcher Tim Stauffer yesterday morning. He was able to take a taxi to a hospital in San Diego, where the staff confirmed his diagnosis and immediately scheduled him for surgery.
This isn't the first time an iPhone has helped someone save their own life -- in January, a survivor of the Haiti earthquake used several medical apps to keep himself alive while awaiting rescue.
It will be fun to see if Apple will be able to work this into an iPhone ad. "Self-diagnosing appendicitis? There's an app for that!"