1. A message through the paging system that sounds like a metallic chirp.
2. That thing a nurse sends to a doctor and is never returned on time.
3. That thing a doctor receives so frequently that he/she deletes it.
4. A message a subspecialist receives that should be fielded by internal medicine instead.
5. A message an internist receives that should be fielded by a subspecialist instead.
6. A message a medical student receives and gets a little too excited about.