Sentinel – noun – “A soldier or guard whose job is to stand and keep watch”
Sentinel – verb –"To watch over, stand guard, or protect some place, person, or area”
In medical industries, sentinel events are defined as “unanticipated events or occurrences resulting in death or serious injury to a patient; not related to the patient’s illness, but related to the medical equipment, supplies, or care being provided." For the purposes of our discussion here, “adverse events” and “sentinel events” are one in the same.