Season 15 opens with Abby waking up after the ambulance explosion and, though she realizes she has a broken wrist, quickly rushes to check on the others in the ambulance. A mother and daughter are also rushed in from the explosion and Abby misdiagnoses the case.
Long-running television series, no matter how brilliant they once were, invariably suffer creative declines. Some are capable of rebounding for at least one good season, but most are not. Worse, they lose their relevance.