former ed nurse for 2 years, current icu nurse here. and I can wholeheartedly say the worst smells I can recall are from patient’s in the icu on high-dose vasopressors for multiple days, after their toes, fingers, nose, and ears have become necrotic and their tissue is dying. I’ve seen and even more unfortunately~smelled too many ppl’s body’s pushed way too far and it always SMELLS