Immediately following this devastating loss, Mahler learned that his heart was defective, a diagnosis subsequently confirmed by a Vienna specialist, who ordered a curtailment of all forms of vigorous exercise.
Imediat după această pierdere devastatoare, Mahler a aflat că inima sa are probleme, diagnostic confirmat ulterior de un specialist din Viena, care a prescris evitarea oricărei forme de efort fizic.