A sentinel event is a situation that reaches the patient and results in either a...

A sentinel event is a patient safety event that reaches a patient and results in any of the following:

Death

Severe temporary harm

Permanent harm

An intervention required to sustain life

Option D, "An intervention to sustain life," aligns with the definition of a sentinel event. Such interventions may include actions like cardiopulmonary resuscitation (CPR), defibrillation, or other emergency procedures necessary to keep the patient alive following a significant adverse event.