Which is an example of a sentinel event?

A) The patient suffers a fatal air embolism after a central line is removed incorrectly.
B) The nurse identifies a patient's urinary tract infection before symptoms develop.
C) The unit's urinary tract infection rate is 5% lower than the national average.
D) The pilot study indicates potential effectiveness of a new oral care protocol.

Sentinel Event

A significant, unexpected occurrence involving death or serious physical or psychological injury, or the risk thereof, in a healthcare setting, which requires immediate investigation and response.

Fatal Air Embolism

A life-threatening medical condition where air bubbles enter the bloodstream and block blood vessels, leading to potentially fatal outcomes.

Central Line

A catheter placed into a large vein, typically in the neck, chest, or groin, to administer medication or fluids, obtain blood tests, and directly obtain cardiovascular measurements.