What is a geriatric syndrome?

There is a high correlation between the presence of multiple chronic co-morbid conditions, geriatric syndromes, iatrogenesis, frailty, and poor outcomes.

What is a geriatric syndrome? Which comes first? Might the presence of geriatric syndromes be the clues to the diagnosis of underlying chronic illness? Or might the complex presence of chronic co-morbid conditions lead to the development of geriatric syndromes? Does the condition of frailty meet the criteria of a geriatric syndrome? Why or why not? Give an example of how our well-intended interventions might cause iatrogenesis